156921233

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{17977}}^1$

素因数の和:18056

約数の個数: 16

約数和(自身を含む): 189847680

約数和(自身を除く): 32926447

約数列:

[1, 7, 29, 43, 203, 301, 1247, 8729, 17977, 125839, 521333, 773011, 3649331, 5411077, 22417319, 156921233]

約数ペア:

[(1, 156921233), (7, 22417319), (29, 5411077), (43, 3649331), (203, 773011), (301, 521333), (1247, 125839), (8729, 17977)]