64678276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{40123}}^1$

素因数の和:40171

約数の個数: 24

約数和(自身を含む): 125828864

約数和(自身を除く): 61150588

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 40123, 80246, 160492, 521599, 1043198, 1243813, 2086396, 2487626, 4975252, 16169569, 32339138, 64678276]

約数ペア:

[(1, 64678276), (2, 32339138), (4, 16169569), (13, 4975252), (26, 2487626), (31, 2086396), (52, 1243813), (62, 1043198), (124, 521599), (403, 160492), (806, 80246), (1612, 40123)]