128518165

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{2221}}^1$

素因数の和:2460

約数の個数: 16

約数和(自身を含む): 157424256

約数和(自身を除く): 28906091

約数列:

[1, 5, 71, 163, 355, 815, 2221, 11105, 11573, 57865, 157691, 362023, 788455, 1810115, 25703633, 128518165]

約数ペア:

[(1, 128518165), (5, 25703633), (71, 1810115), (163, 788455), (355, 362023), (815, 157691), (2221, 57865), (11105, 11573)]