228291505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{21031}}^1$

素因数の和:21216

約数の個数: 16

約数和(自身を含む): 296803584

約数和(自身を除く): 68512079

約数列:

[1, 5, 13, 65, 167, 835, 2171, 10855, 21031, 105155, 273403, 1367015, 3512177, 17560885, 45658301, 228291505]

約数ペア:

[(1, 228291505), (5, 45658301), (13, 17560885), (65, 3512177), (167, 1367015), (835, 273403), (2171, 105155), (10855, 21031)]