258143528

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{285557}}^1$

素因数の和:285676

約数の個数: 16

約数和(自身を含む): 488304180

約数和(自身を除く): 230160652

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 285557, 571114, 1142228, 2284456, 32267941, 64535882, 129071764, 258143528]

約数ペア:

[(1, 258143528), (2, 129071764), (4, 64535882), (8, 32267941), (113, 2284456), (226, 1142228), (452, 571114), (904, 285557)]