521569139

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{72551}}^1$

素因数の和:72650

約数の個数: 16

約数和(自身を含む): 650065920

約数和(自身を除く): 128496781

約数列:

[1, 7, 13, 79, 91, 553, 1027, 7189, 72551, 507857, 943163, 5731529, 6602141, 40120703, 74509877, 521569139]

約数ペア:

[(1, 521569139), (7, 74509877), (13, 40120703), (79, 6602141), (91, 5731529), (553, 943163), (1027, 507857), (7189, 72551)]