64642445

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 91881216

約数和(自身を除く): 27238771

約数列:

[1, 5, 7, 35, 41, 107, 205, 287, 421, 535, 749, 1435, 2105, 2947, 3745, 4387, 14735, 17261, 21935, 30709, 45047, 86305, 120827, 153545, 225235, 315329, 604135, 1576645, 1846927, 9234635, 12928489, 64642445]

約数ペア:

[(1, 64642445), (5, 12928489), (7, 9234635), (35, 1846927), (41, 1576645), (107, 604135), (205, 315329), (287, 225235), (421, 153545), (535, 120827), (749, 86305), (1435, 45047), (2105, 30709), (2947, 21935), (3745, 17261), (4387, 14735)]