25887827

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:291

約数の個数: 24

約数和(自身を含む): 31450320

約数和(自身を除く): 5562493

約数列:

[1, 7, 37, 49, 109, 131, 259, 763, 917, 1813, 4033, 4847, 5341, 6419, 14279, 28231, 33929, 99953, 197617, 237503, 528323, 699671, 3698261, 25887827]

約数ペア:

[(1, 25887827), (7, 3698261), (37, 699671), (49, 528323), (109, 237503), (131, 197617), (259, 99953), (763, 33929), (917, 28231), (1813, 14279), (4033, 6419), (4847, 5341)]