81236398

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1\times {\mathrm{2113}}^1$

素因数の和:2571

約数の個数: 16

約数和(自身を含む): 124810560

約数和(自身を除く): 43574162

約数列:

[1, 2, 47, 94, 409, 818, 2113, 4226, 19223, 38446, 99311, 198622, 864217, 1728434, 40618199, 81236398]

約数ペア:

[(1, 81236398), (2, 40618199), (47, 1728434), (94, 864217), (409, 198622), (818, 99311), (2113, 38446), (4226, 19223)]