639598337

素因数分解:

$7^1\times {\mathrm{137}}^1\times {\mathrm{673}}^1\times {\mathrm{991}}^1$

素因数の和:1808

約数の個数: 16

約数和(自身を含む): 738143232

約数和(自身を除く): 98544895

約数列:

[1, 7, 137, 673, 959, 991, 4711, 6937, 92201, 135767, 645407, 666943, 950369, 4668601, 91371191, 639598337]

約数ペア:

[(1, 639598337), (7, 91371191), (137, 4668601), (673, 950369), (959, 666943), (991, 645407), (4711, 135767), (6937, 92201)]