90291355

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{8087}}^1$

素因数の和:8139

約数の個数: 32

約数和(自身を含む): 139760640

約数和(自身を除く): 49469285

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 145, 203, 319, 385, 1015, 1595, 2233, 8087, 11165, 40435, 56609, 88957, 234523, 283045, 444785, 622699, 1172615, 1641661, 2579753, 3113495, 8208305, 12898765, 18058271, 90291355]

約数ペア:

[(1, 90291355), (5, 18058271), (7, 12898765), (11, 8208305), (29, 3113495), (35, 2579753), (55, 1641661), (77, 1172615), (145, 622699), (203, 444785), (319, 283045), (385, 234523), (1015, 88957), (1595, 56609), (2233, 40435), (8087, 11165)]