50781328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{244141}}^1$

素因数の和:244162

約数の個数: 20

約数和(自身を含む): 105957628

約数和(自身を除く): 55176300

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 244141, 488282, 976564, 1953128, 3173833, 3906256, 6347666, 12695332, 25390664, 50781328]

約数ペア:

[(1, 50781328), (2, 25390664), (4, 12695332), (8, 6347666), (13, 3906256), (16, 3173833), (26, 1953128), (52, 976564), (104, 488282), (208, 244141)]