81451505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{2287}}^1$

素因数の和:2728

約数の個数: 16

約数和(自身を含む): 103783680

約数和(自身を除く): 22332175

約数列:

[1, 5, 17, 85, 419, 2095, 2287, 7123, 11435, 35615, 38879, 194395, 958253, 4791265, 16290301, 81451505]

約数ペア:

[(1, 81451505), (5, 16290301), (17, 4791265), (85, 958253), (419, 194395), (2095, 38879), (2287, 35615), (7123, 11435)]