51521515

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{673}}^1$

素因数の和:990

約数の個数: 16

約数和(自身を含む): 63183456

約数和(自身を除く): 11661941

約数列:

[1, 5, 61, 251, 305, 673, 1255, 3365, 15311, 41053, 76555, 168923, 205265, 844615, 10304303, 51521515]

約数ペア:

[(1, 51521515), (5, 10304303), (61, 844615), (251, 205265), (305, 168923), (673, 76555), (1255, 41053), (3365, 15311)]