156974209

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{30677}}^1$

素因数の和:30744

約数の個数: 16

約数和(自身を含む): 194375808

約数和(自身を除く): 37401599

約数列:

[1, 7, 17, 43, 119, 301, 731, 5117, 30677, 214739, 521509, 1319111, 3650563, 9233777, 22424887, 156974209]

約数ペア:

[(1, 156974209), (7, 22424887), (17, 9233777), (43, 3650563), (119, 1319111), (301, 521509), (731, 214739), (5117, 30677)]