639481471

素因数分解:

${\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{457}}^1\times {\mathrm{641}}^1$

素因数の和:1194

約数の個数: 16

約数和(自身を含む): 670402080

約数和(自身を除く): 30920609

約数列:

[1, 37, 59, 457, 641, 2183, 16909, 23717, 26963, 37819, 292937, 997631, 1399303, 10838669, 17283283, 639481471]

約数ペア:

[(1, 639481471), (37, 17283283), (59, 10838669), (457, 1399303), (641, 997631), (2183, 292937), (16909, 37819), (23717, 26963)]