139521335

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{19889}}^1$

素因数の和:19978

約数の個数: 16

約数和(自身を含む): 177577920

約数和(自身を除く): 38056585

約数列:

[1, 5, 23, 61, 115, 305, 1403, 7015, 19889, 99445, 457447, 1213229, 2287235, 6066145, 27904267, 139521335]

約数ペア:

[(1, 139521335), (5, 27904267), (23, 6066145), (61, 2287235), (115, 1213229), (305, 457447), (1403, 99445), (7015, 19889)]