26980037

素因数分解:

$7^4\times {\mathrm{17}}^1\times {\mathrm{661}}^1$

素因数の和:706

約数の個数: 20

約数和(自身を含む): 33376716

約数和(自身を除く): 6396679

約数列:

[1, 7, 17, 49, 119, 343, 661, 833, 2401, 4627, 5831, 11237, 32389, 40817, 78659, 226723, 550613, 1587061, 3854291, 26980037]

約数ペア:

[(1, 26980037), (7, 3854291), (17, 1587061), (49, 550613), (119, 226723), (343, 78659), (661, 40817), (833, 32389), (2401, 11237), (4627, 5831)]