67885489

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{757}}^1$

素因数の和:1344

約数の個数: 16

約数和(自身を含む): 81209088

約数和(自身を除く): 13323599

約数列:

[1, 7, 23, 161, 557, 757, 3899, 5299, 12811, 17411, 89677, 121877, 421649, 2951543, 9697927, 67885489]

約数ペア:

[(1, 67885489), (7, 9697927), (23, 2951543), (161, 421649), (557, 121877), (757, 89677), (3899, 17411), (5299, 12811)]