51197405

素因数分解:

$5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{2069}}^1$

素因数の和:2189

約数の個数: 24

約数和(自身を含む): 72209880

約数和(自身を除く): 21012475

約数列:

[1, 5, 7, 35, 49, 101, 245, 505, 707, 2069, 3535, 4949, 10345, 14483, 24745, 72415, 101381, 208969, 506905, 1044845, 1462783, 7313915, 10239481, 51197405]

約数ペア:

[(1, 51197405), (5, 10239481), (7, 7313915), (35, 1462783), (49, 1044845), (101, 506905), (245, 208969), (505, 101381), (707, 72415), (2069, 24745), (3535, 14483), (4949, 10345)]