20161116781

素因数分解:

${\mathrm{13}}^2\times {\mathrm{2917}}^1\times {\mathrm{40897}}^1$

素因数の和:43840

約数の個数: 12

約数和(自身を含む): 21839286612

約数和(自身を除く): 1678169831

約数列:

[1, 13, 169, 2917, 37921, 40897, 492973, 531661, 6911593, 119296549, 1550855137, 20161116781]

約数ペア:

[(1, 20161116781), (13, 1550855137), (169, 119296549), (2917, 6911593), (37921, 531661), (40897, 492973)]