2109807778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{497831}}^1$

素因数の和:498009

約数の個数: 16

約数和(自身を含む): 3429066816

約数和(自身を除く): 1319259038

約数列:

[1, 2, 13, 26, 163, 326, 2119, 4238, 497831, 995662, 6471803, 12943606, 81146453, 162292906, 1054903889, 2109807778]

約数ペア:

[(1, 2109807778), (2, 1054903889), (13, 162292906), (26, 81146453), (163, 12943606), (326, 6471803), (2119, 995662), (4238, 497831)]