25718515

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:199

約数の個数: 32

約数和(自身を含む): 33587136

約数和(自身を除く): 7868621

約数列:

[1, 5, 37, 43, 53, 61, 185, 215, 265, 305, 1591, 1961, 2257, 2279, 2623, 3233, 7955, 9805, 11285, 11395, 13115, 16165, 84323, 97051, 119621, 139019, 421615, 485255, 598105, 695095, 5143703, 25718515]

約数ペア:

[(1, 25718515), (5, 5143703), (37, 695095), (43, 598105), (53, 485255), (61, 421615), (185, 139019), (215, 119621), (265, 97051), (305, 84323), (1591, 16165), (1961, 13115), (2257, 11395), (2279, 11285), (2623, 9805), (3233, 7955)]