639075684

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{32257}}^1$

素因数の和:32404

約数の個数: 48

約数和(自身を含む): 1618577408

約数和(自身を除く): 979501724

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 127, 156, 254, 381, 508, 762, 1524, 1651, 3302, 4953, 6604, 9906, 19812, 32257, 64514, 96771, 129028, 193542, 387084, 419341, 838682, 1258023, 1677364, 2516046, 4096639, 5032092, 8193278, 12289917, 16386556, 24579834, 49159668, 53256307, 106512614, 159768921, 213025228, 319537842, 639075684]

約数ペア:

[(1, 639075684), (2, 319537842), (3, 213025228), (4, 159768921), (6, 106512614), (12, 53256307), (13, 49159668), (26, 24579834), (39, 16386556), (52, 12289917), (78, 8193278), (127, 5032092), (156, 4096639), (254, 2516046), (381, 1677364), (508, 1258023), (762, 838682), (1524, 419341), (1651, 387084), (3302, 193542), (4953, 129028), (6604, 96771), (9906, 64514), (19812, 32257)]