639853535

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{93889}}^1$

素因数の和:93970

約数の個数: 16

約数和(自身を含む): 811209600

約数和(自身を除く): 171356065

約数列:

[1, 5, 29, 47, 145, 235, 1363, 6815, 93889, 469445, 2722781, 4412783, 13613905, 22063915, 127970707, 639853535]

約数ペア:

[(1, 639853535), (5, 127970707), (29, 22063915), (47, 13613905), (145, 4412783), (235, 2722781), (1363, 469445), (6815, 93889)]