71800991

素因数分解:

${\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:446

約数の個数: 16

約数和(自身を含む): 75878400

約数和(自身を除く): 4077409

約数列:

[1, 31, 103, 113, 199, 3193, 3503, 6169, 11639, 20497, 22487, 360809, 635407, 697097, 2316161, 71800991]

約数ペア:

[(1, 71800991), (31, 2316161), (103, 697097), (113, 635407), (199, 360809), (3193, 22487), (3503, 20497), (6169, 11639)]