640823845

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1\times {\mathrm{5419}}^1$

素因数の和:5844

約数の個数: 16

約数和(自身を含む): 782821440

約数和(自身を除く): 141997595

約数列:

[1, 5, 67, 335, 353, 1765, 5419, 23651, 27095, 118255, 363073, 1815365, 1912907, 9564535, 128164769, 640823845]

約数ペア:

[(1, 640823845), (5, 128164769), (67, 9564535), (335, 1912907), (353, 1815365), (1765, 363073), (5419, 118255), (23651, 27095)]