81085291

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{2851}}^1$

素因数の和:3114

約数の個数: 16

約数和(自身を含む): 98565120

約数和(自身を除く): 17479829

約数列:

[1, 7, 17, 119, 239, 1673, 2851, 4063, 19957, 28441, 48467, 339269, 681389, 4769723, 11583613, 81085291]

約数ペア:

[(1, 81085291), (7, 11583613), (17, 4769723), (119, 681389), (239, 339269), (1673, 48467), (2851, 28441), (4063, 19957)]