208128565

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{1291}}^1\times {\mathrm{1697}}^1$

素因数の和:3012

約数の個数: 16

約数和(自身を含む): 263257920

約数和(自身を除く): 55129355

約数列:

[1, 5, 19, 95, 1291, 1697, 6455, 8485, 24529, 32243, 122645, 161215, 2190827, 10954135, 41625713, 208128565]

約数ペア:

[(1, 208128565), (5, 41625713), (19, 10954135), (95, 2190827), (1291, 161215), (1697, 122645), (6455, 32243), (8485, 24529)]