638691837

素因数分解:

$3^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{97169}}^1$

素因数の和:97492

約数の個数: 16

約数和(自身を含む): 976364160

約数和(自身を除く): 337672323

約数列:

[1, 3, 7, 21, 313, 939, 2191, 6573, 97169, 291507, 680183, 2040549, 30413897, 91241691, 212897279, 638691837]

約数ペア:

[(1, 638691837), (3, 212897279), (7, 91241691), (21, 30413897), (313, 2040549), (939, 680183), (2191, 291507), (6573, 97169)]