28695056

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137957}}^1$

素因数の和:137978

約数の個数: 20

約数和(自身を含む): 59873772

約数和(自身を除く): 31178716

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 137957, 275914, 551828, 1103656, 1793441, 2207312, 3586882, 7173764, 14347528, 28695056]

約数ペア:

[(1, 28695056), (2, 14347528), (4, 7173764), (8, 3586882), (13, 2207312), (16, 1793441), (26, 1103656), (52, 551828), (104, 275914), (208, 137957)]