128575865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{101641}}^1$

素因数の和:101680

約数の個数: 16

約数和(自身を含む): 175637376

約数和(自身を除く): 47061511

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 101641, 508205, 1118051, 2337743, 5590255, 11688715, 25715173, 128575865]

約数ペア:

[(1, 128575865), (5, 25715173), (11, 11688715), (23, 5590255), (55, 2337743), (115, 1118051), (253, 508205), (1265, 101641)]