31909072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{153409}}^1$

素因数の和:153430

約数の個数: 20

約数和(自身を含む): 66579940

約数和(自身を除く): 34670868

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 153409, 306818, 613636, 1227272, 1994317, 2454544, 3988634, 7977268, 15954536, 31909072]

約数ペア:

[(1, 31909072), (2, 15954536), (4, 7977268), (8, 3988634), (13, 2454544), (16, 1994317), (26, 1227272), (52, 613636), (104, 306818), (208, 153409)]