28817230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{221671}}^1$

素因数の和:221691

約数の個数: 16

約数和(自身を含む): 55861344

約数和(自身を除く): 27044114

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 221671, 443342, 1108355, 2216710, 2881723, 5763446, 14408615, 28817230]

約数ペア:

[(1, 28817230), (2, 14408615), (5, 5763446), (10, 2881723), (13, 2216710), (26, 1108355), (65, 443342), (130, 221671)]