2012128139

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{321889}}^1$

素因数の和:321962

約数の個数: 16

約数和(自身を含む): 2472115200

約数和(自身を除く): 459987061

約数列:

[1, 7, 19, 47, 133, 329, 893, 6251, 321889, 2253223, 6115891, 15128783, 42811237, 105901481, 287446877, 2012128139]

約数ペア:

[(1, 2012128139), (7, 287446877), (19, 105901481), (47, 42811237), (133, 15128783), (329, 6115891), (893, 2253223), (6251, 321889)]