647445708

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{769}}^1$

素因数の和:1056

約数の個数: 144

約数和(自身を含む): 2024742720

約数和(自身を除く): 1377297012

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 257, 273, 364, 468, 514, 546, 769, 771, 819, 1028, 1092, 1538, 1542, 1638, 1799, 2307, 2313, 3076, 3084, 3276, 3341, 3598, 4614, 4626, 5383, 5397, 6682, 6921, 7196, 9228, 9252, 9997, 10023, 10766, 10794, 13364, 13842, 16149, 16191, 19994, 20046, 21532, 21588, 23387, 27684, 29991, 30069, 32298, 32382, 39988, 40092, 46774, 48447, 59982, 60138, 64596, 64764, 69979, 70161, 89973, 93548, 96894, 119964, 120276, 139958, 140322, 179946, 193788, 197633, 209937, 210483, 279916, 280644, 359892, 395266, 419874, 420966, 592899, 629811, 790532, 839748, 841932, 1185798, 1259622, 1383431, 1778697, 2371596, 2519244, 2569229, 2766862, 3557394, 4150293, 5138458, 5533724, 7114788, 7707687, 8300586, 10276916, 12450879, 15415374, 16601172, 17984603, 23123061, 24901758, 30830748, 35969206, 46246122, 49803516, 53953809, 71938412, 92492244, 107907618, 161861427, 215815236, 323722854, 647445708]

約数ペア:

[(1, 647445708), (2, 323722854), (3, 215815236), (4, 161861427), (6, 107907618), (7, 92492244), (9, 71938412), (12, 53953809), (13, 49803516), (14, 46246122), (18, 35969206), (21, 30830748), (26, 24901758), (28, 23123061), (36, 17984603), (39, 16601172), (42, 15415374), (52, 12450879), (63, 10276916), (78, 8300586), (84, 7707687), (91, 7114788), (117, 5533724), (126, 5138458), (156, 4150293), (182, 3557394), (234, 2766862), (252, 2569229), (257, 2519244), (273, 2371596), (364, 1778697), (468, 1383431), (514, 1259622), (546, 1185798), (769, 841932), (771, 839748), (819, 790532), (1028, 629811), (1092, 592899), (1538, 420966), (1542, 419874), (1638, 395266), (1799, 359892), (2307, 280644), (2313, 279916), (3076, 210483), (3084, 209937), (3276, 197633), (3341, 193788), (3598, 179946), (4614, 140322), (4626, 139958), (5383, 120276), (5397, 119964), (6682, 96894), (6921, 93548), (7196, 89973), (9228, 70161), (9252, 69979), (9997, 64764), (10023, 64596), (10766, 60138), (10794, 59982), (13364, 48447), (13842, 46774), (16149, 40092), (16191, 39988), (19994, 32382), (20046, 32298), (21532, 30069), (21588, 29991), (23387, 27684)]