208085072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1000409}}^1$

素因数の和:1000430

約数の個数: 20

約数和(自身を含む): 434177940

約数和(自身を除く): 226092868

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1000409, 2000818, 4001636, 8003272, 13005317, 16006544, 26010634, 52021268, 104042536, 208085072]

約数ペア:

[(1, 208085072), (2, 104042536), (4, 52021268), (8, 26010634), (13, 16006544), (16, 13005317), (26, 8003272), (52, 4001636), (104, 2000818), (208, 1000409)]