172858702978

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{511416281}}^1$

素因数の和:511416309

約数の個数: 12

約数和(自身を含む): 280767538818

約数和(自身を除く): 107908835840

約数列:

[1, 2, 13, 26, 169, 338, 511416281, 1022832562, 6648411653, 13296823306, 86429351489, 172858702978]

約数ペア:

[(1, 172858702978), (2, 86429351489), (13, 13296823306), (26, 6648411653), (169, 1022832562), (338, 511416281)]