389698561

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1\times {\mathrm{2879}}^1$

素因数の和:3264

約数の個数: 16

約数和(自身を含む): 454256640

約数和(自身を除く): 64558079

約数列:

[1, 7, 61, 317, 427, 2219, 2879, 19337, 20153, 135359, 175619, 912643, 1229333, 6388501, 55671223, 389698561]

約数ペア:

[(1, 389698561), (7, 55671223), (61, 6388501), (317, 1229333), (427, 912643), (2219, 175619), (2879, 135359), (19337, 20153)]