318158519

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{381943}}^1$

素因数の和:381974

約数の個数: 12

約数和(自身を含む): 391874544

約数和(自身を除く): 73716025

約数列:

[1, 7, 17, 49, 119, 833, 381943, 2673601, 6493031, 18715207, 45451217, 318158519]

約数ペア:

[(1, 318158519), (7, 45451217), (17, 18715207), (49, 6493031), (119, 2673601), (833, 381943)]