80716559

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{233}}^1\times {\mathrm{409}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 102080160

約数和(自身を除く): 21363601

約数列:

[1, 7, 11, 77, 121, 233, 409, 847, 1631, 2563, 2863, 4499, 17941, 28193, 31493, 49489, 95297, 197351, 346423, 667079, 1048267, 7337869, 11530937, 80716559]

約数ペア:

[(1, 80716559), (7, 11530937), (11, 7337869), (77, 1048267), (121, 667079), (233, 346423), (409, 197351), (847, 95297), (1631, 49489), (2563, 31493), (2863, 28193), (4499, 17941)]