661653167

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{19477}}^1$

素因数の和:19718

約数の個数: 16

約数和(自身を含む): 792832512

約数和(自身を除く): 131179345

約数列:

[1, 7, 23, 161, 211, 1477, 4853, 19477, 33971, 136339, 447971, 3135797, 4109647, 28767529, 94521881, 661653167]

約数ペア:

[(1, 661653167), (7, 94521881), (23, 28767529), (161, 4109647), (211, 3135797), (1477, 447971), (4853, 136339), (19477, 33971)]