290626775

素因数分解:

$5^2\times {\mathrm{131}}^1\times {\mathrm{88741}}^1$

素因数の和:88882

約数の個数: 12

約数和(自身を含む): 363132264

約数和(自身を除く): 72505489

約数列:

[1, 5, 25, 131, 655, 3275, 88741, 443705, 2218525, 11625071, 58125355, 290626775]

約数ペア:

[(1, 290626775), (5, 58125355), (25, 11625071), (131, 2218525), (655, 443705), (3275, 88741)]