86215825

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:322

約数の個数: 36

約数和(自身を含む): 116078508

約数和(自身を除く): 29862683

約数列:

[1, 5, 19, 25, 41, 95, 205, 233, 361, 475, 779, 1025, 1165, 1805, 3895, 4427, 5825, 9025, 9553, 14801, 19475, 22135, 47765, 74005, 84113, 110675, 181507, 238825, 370025, 420565, 907535, 2102825, 3448633, 4537675, 17243165, 86215825]

約数ペア:

[(1, 86215825), (5, 17243165), (19, 4537675), (25, 3448633), (41, 2102825), (95, 907535), (205, 420565), (233, 370025), (361, 238825), (475, 181507), (779, 110675), (1025, 84113), (1165, 74005), (1805, 47765), (3895, 22135), (4427, 19475), (5825, 14801), (9025, 9553)]