77980567

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1\times {\mathrm{563}}^1$

素因数の和:1038

約数の個数: 16

約数和(自身を含む): 91395072

約数和(自身を除く): 13414505

約数列:

[1, 7, 47, 329, 421, 563, 2947, 3941, 19787, 26461, 138509, 185227, 237023, 1659161, 11140081, 77980567]

約数ペア:

[(1, 77980567), (7, 11140081), (47, 1659161), (329, 237023), (421, 185227), (563, 138509), (2947, 26461), (3941, 19787)]