1649021428

素因数分解:

$2^2\times {\mathrm{419}}^1\times {\mathrm{443}}^1\times {\mathrm{2221}}^1$

素因数の和:3087

約数の個数: 24

約数和(自身を含む): 2900509920

約数和(自身を除く): 1251488492

約数列:

[1, 2, 4, 419, 443, 838, 886, 1676, 1772, 2221, 4442, 8884, 185617, 371234, 742468, 930599, 983903, 1861198, 1967806, 3722396, 3935612, 412255357, 824510714, 1649021428]

約数ペア:

[(1, 1649021428), (2, 824510714), (4, 412255357), (419, 3935612), (443, 3722396), (838, 1967806), (886, 1861198), (1676, 983903), (1772, 930599), (2221, 742468), (4442, 371234), (8884, 185617)]