109888919

素因数分解:

$7^2\times {\mathrm{1123}}^1\times {\mathrm{1997}}^1$

素因数の和:3134

約数の個数: 12

約数和(自身を含む): 128007864

約数和(自身を除く): 18118945

約数列:

[1, 7, 49, 1123, 1997, 7861, 13979, 55027, 97853, 2242631, 15698417, 109888919]

約数ペア:

[(1, 109888919), (7, 15698417), (49, 2242631), (1123, 97853), (1997, 55027), (7861, 13979)]