71578409

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{503}}^1\times {\mathrm{701}}^1$

素因数の和:1240

約数の個数: 16

約数和(自身を含む): 84913920

約数和(自身を除く): 13335511

約数列:

[1, 7, 29, 203, 503, 701, 3521, 4907, 14587, 20329, 102109, 142303, 352603, 2468221, 10225487, 71578409]

約数ペア:

[(1, 71578409), (7, 10225487), (29, 2468221), (203, 352603), (503, 142303), (701, 102109), (3521, 20329), (4907, 14587)]