257218561512

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{331}}^1\times {\mathrm{1021}}^1$

素因数の和:1437

約数の個数: 288

約数和(自身を含む): 788413560480

約数和(自身を除く): 531194998968

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 31, 33, 36, 44, 62, 66, 72, 88, 93, 99, 124, 132, 186, 198, 248, 264, 279, 331, 341, 372, 396, 558, 662, 682, 744, 792, 961, 993, 1021, 1023, 1116, 1324, 1364, 1922, 1986, 2042, 2046, 2232, 2648, 2728, 2883, 2979, 3063, 3069, 3641, 3844, 3972, 4084, 4092, 5766, 5958, 6126, 6138, 7282, 7688, 7944, 8168, 8184, 8649, 9189, 10261, 10571, 10923, 11231, 11532, 11916, 12252, 12276, 14564, 17298, 18378, 20522, 21142, 21846, 22462, 23064, 23832, 24504, 24552, 29128, 30783, 31651, 31713, 32769, 33693, 34596, 36756, 41044, 42284, 43692, 44924, 61566, 63302, 63426, 65538, 67386, 69192, 73512, 82088, 84568, 87384, 89848, 92349, 94953, 95139, 101079, 112871, 123132, 126604, 126852, 131076, 134772, 184698, 189906, 190278, 202158, 225742, 246264, 253208, 253704, 262152, 269544, 284859, 318091, 337951, 338613, 348161, 369396, 379812, 380556, 404316, 451484, 569718, 636182, 675902, 677226, 696322, 738792, 759624, 761112, 808632, 902968, 954273, 981181, 1013853, 1015839, 1044483, 1139436, 1272364, 1351804, 1354452, 1392644, 1908546, 1962362, 2027706, 2031678, 2088966, 2278872, 2544728, 2703608, 2708904, 2785288, 2862819, 2943543, 3041559, 3133449, 3499001, 3717461, 3817092, 3924724, 4055412, 4063356, 4177932, 5725638, 5887086, 6083118, 6266898, 6998002, 7434922, 7634184, 7849448, 8110824, 8126712, 8355864, 8830629, 10476481, 10497003, 10792991, 11152383, 11451276, 11774172, 12166236, 12533796, 13996004, 14869844, 17661258, 20952962, 20994006, 21585982, 22304766, 22902552, 23548344, 24332472, 25067592, 27992008, 29739688, 31429443, 31491009, 32378973, 33457149, 35322516, 41905924, 41988012, 43171964, 44609532, 62858886, 62982018, 64757946, 66914298, 70645032, 83811848, 83976024, 86343928, 89219064, 94288329, 97136919, 115241291, 125717772, 125964036, 129515892, 133828596, 188576658, 194273838, 230482582, 251435544, 251928072, 259031784, 267657192, 324770911, 345723873, 377153316, 388547676, 460965164, 649541822, 691447746, 754306632, 777095352, 921930328, 974312733, 1037171619, 1299083644, 1382895492, 1948625466, 2074343238, 2598167288, 2765790984, 2922938199, 3572480021, 3897250932, 4148686476, 5845876398, 7144960042, 7794501864, 8297372952, 10717440063, 11691752796, 14289920084, 21434880126, 23383505592, 28579840168, 32152320189, 42869760252, 64304640378, 85739520504, 128609280756, 257218561512]

約数ペア:

[(1, 257218561512), (2, 128609280756), (3, 85739520504), (4, 64304640378), (6, 42869760252), (8, 32152320189), (9, 28579840168), (11, 23383505592), (12, 21434880126), (18, 14289920084), (22, 11691752796), (24, 10717440063), (31, 8297372952), (33, 7794501864), (36, 7144960042), (44, 5845876398), (62, 4148686476), (66, 3897250932), (72, 3572480021), (88, 2922938199), (93, 2765790984), (99, 2598167288), (124, 2074343238), (132, 1948625466), (186, 1382895492), (198, 1299083644), (248, 1037171619), (264, 974312733), (279, 921930328), (331, 777095352), (341, 754306632), (372, 691447746), (396, 649541822), (558, 460965164), (662, 388547676), (682, 377153316), (744, 345723873), (792, 324770911), (961, 267657192), (993, 259031784), (1021, 251928072), (1023, 251435544), (1116, 230482582), (1324, 194273838), (1364, 188576658), (1922, 133828596), (1986, 129515892), (2042, 125964036), (2046, 125717772), (2232, 115241291), (2648, 97136919), (2728, 94288329), (2883, 89219064), (2979, 86343928), (3063, 83976024), (3069, 83811848), (3641, 70645032), (3844, 66914298), (3972, 64757946), (4084, 62982018), (4092, 62858886), (5766, 44609532), (5958, 43171964), (6126, 41988012), (6138, 41905924), (7282, 35322516), (7688, 33457149), (7944, 32378973), (8168, 31491009), (8184, 31429443), (8649, 29739688), (9189, 27992008), (10261, 25067592), (10571, 24332472), (10923, 23548344), (11231, 22902552), (11532, 22304766), (11916, 21585982), (12252, 20994006), (12276, 20952962), (14564, 17661258), (17298, 14869844), (18378, 13996004), (20522, 12533796), (21142, 12166236), (21846, 11774172), (22462, 11451276), (23064, 11152383), (23832, 10792991), (24504, 10497003), (24552, 10476481), (29128, 8830629), (30783, 8355864), (31651, 8126712), (31713, 8110824), (32769, 7849448), (33693, 7634184), (34596, 7434922), (36756, 6998002), (41044, 6266898), (42284, 6083118), (43692, 5887086), (44924, 5725638), (61566, 4177932), (63302, 4063356), (63426, 4055412), (65538, 3924724), (67386, 3817092), (69192, 3717461), (73512, 3499001), (82088, 3133449), (84568, 3041559), (87384, 2943543), (89848, 2862819), (92349, 2785288), (94953, 2708904), (95139, 2703608), (101079, 2544728), (112871, 2278872), (123132, 2088966), (126604, 2031678), (126852, 2027706), (131076, 1962362), (134772, 1908546), (184698, 1392644), (189906, 1354452), (190278, 1351804), (202158, 1272364), (225742, 1139436), (246264, 1044483), (253208, 1015839), (253704, 1013853), (262152, 981181), (269544, 954273), (284859, 902968), (318091, 808632), (337951, 761112), (338613, 759624), (348161, 738792), (369396, 696322), (379812, 677226), (380556, 675902), (404316, 636182), (451484, 569718)]