251928072

素因数分解:

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

素因数の和:416

約数の個数: 144

約数和(自身を含む): 771441840

約数和(自身を除く): 519513768

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, 1023, 1116, 1324, 1364, 1922, 1986, 2046, 2232, 2648, 2728, 2883, 2979, 3069, 3641, 3844, 3972, 4092, 5766, 5958, 6138, 7282, 7688, 7944, 8184, 8649, 10261, 10571, 10923, 11532, 11916, 12276, 14564, 17298, 20522, 21142, 21846, 23064, 23832, 24552, 29128, 30783, 31713, 32769, 34596, 41044, 42284, 43692, 61566, 63426, 65538, 69192, 82088, 84568, 87384, 92349, 95139, 112871, 123132, 126852, 131076, 184698, 190278, 225742, 246264, 253704, 262152, 318091, 338613, 369396, 380556, 451484, 636182, 677226, 738792, 761112, 902968, 954273, 1015839, 1272364, 1354452, 1908546, 2031678, 2544728, 2708904, 2862819, 3499001, 3817092, 4063356, 5725638, 6998002, 7634184, 8126712, 10497003, 11451276, 13996004, 20994006, 22902552, 27992008, 31491009, 41988012, 62982018, 83976024, 125964036, 251928072]

約数ペア:

[(1, 251928072), (2, 125964036), (3, 83976024), (4, 62982018), (6, 41988012), (8, 31491009), (9, 27992008), (11, 22902552), (12, 20994006), (18, 13996004), (22, 11451276), (24, 10497003), (31, 8126712), (33, 7634184), (36, 6998002), (44, 5725638), (62, 4063356), (66, 3817092), (72, 3499001), (88, 2862819), (93, 2708904), (99, 2544728), (124, 2031678), (132, 1908546), (186, 1354452), (198, 1272364), (248, 1015839), (264, 954273), (279, 902968), (331, 761112), (341, 738792), (372, 677226), (396, 636182), (558, 451484), (662, 380556), (682, 369396), (744, 338613), (792, 318091), (961, 262152), (993, 253704), (1023, 246264), (1116, 225742), (1324, 190278), (1364, 184698), (1922, 131076), (1986, 126852), (2046, 123132), (2232, 112871), (2648, 95139), (2728, 92349), (2883, 87384), (2979, 84568), (3069, 82088), (3641, 69192), (3844, 65538), (3972, 63426), (4092, 61566), (5766, 43692), (5958, 42284), (6138, 41044), (7282, 34596), (7688, 32769), (7944, 31713), (8184, 30783), (8649, 29128), (10261, 24552), (10571, 23832), (10923, 23064), (11532, 21846), (11916, 21142), (12276, 20522), (14564, 17298)]