90728785

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83621}}^1$

素因数の和:83664

約数の個数: 16

約数和(自身を含む): 128443392

約数和(自身を除く): 37714607

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 83621, 418105, 585347, 2592251, 2926735, 12961255, 18145757, 90728785]

約数ペア:

[(1, 90728785), (5, 18145757), (7, 12961255), (31, 2926735), (35, 2592251), (155, 585347), (217, 418105), (1085, 83621)]