80931431

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{20983}}^1$

素因数の和:21038

約数の個数: 16

約数和(自身を含む): 100723200

約数和(自身を除く): 19791769

約数列:

[1, 7, 19, 29, 133, 203, 551, 3857, 20983, 146881, 398677, 608507, 2790739, 4259549, 11561633, 80931431]

約数ペア:

[(1, 80931431), (7, 11561633), (19, 4259549), (29, 2790739), (133, 608507), (203, 398677), (551, 146881), (3857, 20983)]