51769328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{248891}}^1$

素因数の和:248912

約数の個数: 20

約数和(自身を含む): 108019128

約数和(自身を除く): 56249800

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 248891, 497782, 995564, 1991128, 3235583, 3982256, 6471166, 12942332, 25884664, 51769328]

約数ペア:

[(1, 51769328), (2, 25884664), (4, 12942332), (8, 6471166), (13, 3982256), (16, 3235583), (26, 1991128), (52, 995564), (104, 497782), (208, 248891)]