328571009

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{1321}}^1$

素因数の和:1425

約数の個数: 24

約数和(自身を含む): 380783592

約数和(自身を除く): 52212583

約数列:

[1, 13, 19, 53, 247, 361, 689, 1007, 1321, 4693, 13091, 17173, 19133, 25099, 70013, 248729, 326287, 476881, 910169, 1330247, 6199453, 17293211, 25274693, 328571009]

約数ペア:

[(1, 328571009), (13, 25274693), (19, 17293211), (53, 6199453), (247, 1330247), (361, 910169), (689, 476881), (1007, 326287), (1321, 248729), (4693, 70013), (13091, 25099), (17173, 19133)]