521193617

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{1319}}^1\times {\mathrm{2971}}^1$

素因数の和:4316

約数の個数: 16

約数和(自身を含む): 627686400

約数和(自身を除く): 106492783

約数列:

[1, 7, 19, 133, 1319, 2971, 9233, 20797, 25061, 56449, 175427, 395143, 3918749, 27431243, 74456231, 521193617]

約数ペア:

[(1, 521193617), (7, 74456231), (19, 27431243), (133, 3918749), (1319, 395143), (2971, 175427), (9233, 56449), (20797, 25061)]