1977118728

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{1217}}^1$

素因数の和:1407

約数の個数: 128

約数和(自身を含む): 5500293120

約数和(自身を除く): 3523174392

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 41, 52, 78, 82, 104, 123, 127, 156, 164, 246, 254, 312, 328, 381, 492, 508, 533, 762, 984, 1016, 1066, 1217, 1524, 1599, 1651, 2132, 2434, 3048, 3198, 3302, 3651, 4264, 4868, 4953, 5207, 6396, 6604, 7302, 9736, 9906, 10414, 12792, 13208, 14604, 15621, 15821, 19812, 20828, 29208, 31242, 31642, 39624, 41656, 47463, 49897, 62484, 63284, 67691, 94926, 99794, 124968, 126568, 135382, 149691, 154559, 189852, 199588, 203073, 270764, 299382, 309118, 379704, 399176, 406146, 463677, 541528, 598764, 618236, 648661, 812292, 927354, 1197528, 1236472, 1297322, 1624584, 1854708, 1945983, 2009267, 2594644, 3709416, 3891966, 4018534, 5189288, 6027801, 6336919, 7783932, 8037068, 12055602, 12673838, 15567864, 16074136, 19010757, 24111204, 25347676, 38021514, 48222408, 50695352, 76043028, 82379947, 152086056, 164759894, 247139841, 329519788, 494279682, 659039576, 988559364, 1977118728]

約数ペア:

[(1, 1977118728), (2, 988559364), (3, 659039576), (4, 494279682), (6, 329519788), (8, 247139841), (12, 164759894), (13, 152086056), (24, 82379947), (26, 76043028), (39, 50695352), (41, 48222408), (52, 38021514), (78, 25347676), (82, 24111204), (104, 19010757), (123, 16074136), (127, 15567864), (156, 12673838), (164, 12055602), (246, 8037068), (254, 7783932), (312, 6336919), (328, 6027801), (381, 5189288), (492, 4018534), (508, 3891966), (533, 3709416), (762, 2594644), (984, 2009267), (1016, 1945983), (1066, 1854708), (1217, 1624584), (1524, 1297322), (1599, 1236472), (1651, 1197528), (2132, 927354), (2434, 812292), (3048, 648661), (3198, 618236), (3302, 598764), (3651, 541528), (4264, 463677), (4868, 406146), (4953, 399176), (5207, 379704), (6396, 309118), (6604, 299382), (7302, 270764), (9736, 203073), (9906, 199588), (10414, 189852), (12792, 154559), (13208, 149691), (14604, 135382), (15621, 126568), (15821, 124968), (19812, 99794), (20828, 94926), (29208, 67691), (31242, 63284), (31642, 62484), (39624, 49897), (41656, 47463)]