890243399

素因数分解:

${\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{2161}}^1$

素因数の和:2426

約数の個数: 16

約数和(自身を含む): 935644416

約数和(自身を除く): 45401017

約数列:

[1, 31, 97, 137, 2161, 3007, 4247, 13289, 66991, 209617, 296057, 411959, 6498127, 9177767, 28717529, 890243399]

約数ペア:

[(1, 890243399), (31, 28717529), (97, 9177767), (137, 6498127), (2161, 411959), (3007, 296057), (4247, 209617), (13289, 66991)]