279990984

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{128201}}^1$

素因数の和:128230

約数の個数: 64

約数和(自身を含む): 861517440

約数和(自身を除く): 581526456

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 128201, 256402, 384603, 512804, 769206, 897407, 1025608, 1538412, 1666613, 1794814, 2692221, 3076824, 3333226, 3589628, 4999839, 5384442, 6666452, 7179256, 9999678, 10768884, 11666291, 13332904, 19999356, 21537768, 23332582, 34998873, 39998712, 46665164, 69997746, 93330328, 139995492, 279990984]

約数ペア:

[(1, 279990984), (2, 139995492), (3, 93330328), (4, 69997746), (6, 46665164), (7, 39998712), (8, 34998873), (12, 23332582), (13, 21537768), (14, 19999356), (21, 13332904), (24, 11666291), (26, 10768884), (28, 9999678), (39, 7179256), (42, 6666452), (52, 5384442), (56, 4999839), (78, 3589628), (84, 3333226), (91, 3076824), (104, 2692221), (156, 1794814), (168, 1666613), (182, 1538412), (273, 1025608), (312, 897407), (364, 769206), (546, 512804), (728, 384603), (1092, 256402), (2184, 128201)]