51978095

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{2767}}^1$

素因数の和:2819

約数の個数: 24

約数和(自身を含む): 71381184

約数和(自身を除く): 19403089

約数列:

[1, 5, 13, 17, 65, 85, 221, 289, 1105, 1445, 2767, 3757, 13835, 18785, 35971, 47039, 179855, 235195, 611507, 799663, 3057535, 3998315, 10395619, 51978095]

約数ペア:

[(1, 51978095), (5, 10395619), (13, 3998315), (17, 3057535), (65, 799663), (85, 611507), (221, 235195), (289, 179855), (1105, 47039), (1445, 35971), (2767, 18785), (3757, 13835)]