639947413

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{6607}}^1$

素因数の和:6852

約数の個数: 16

約数和(自身を含む): 744113664

約数和(自身を除く): 104166251

約数列:

[1, 7, 101, 137, 707, 959, 6607, 13837, 46249, 96859, 667307, 905159, 4671149, 6336113, 91421059, 639947413]

約数ペア:

[(1, 639947413), (7, 91421059), (101, 6336113), (137, 4671149), (707, 905159), (959, 667307), (6607, 96859), (13837, 46249)]