318812612

素因数分解:

$2^2\times {\mathrm{257}}^1\times {\mathrm{310129}}^1$

素因数の和:310390

約数の個数: 12

約数和(自身を含む): 560094780

約数和(自身を除く): 241282168

約数列:

[1, 2, 4, 257, 514, 1028, 310129, 620258, 1240516, 79703153, 159406306, 318812612]

約数ペア:

[(1, 318812612), (2, 159406306), (4, 79703153), (257, 1240516), (514, 620258), (1028, 310129)]