51221636

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{143881}}^1$

素因数の和:143974

約数の個数: 12

約数和(自身を含む): 90645660

約数和(自身を除く): 39424024

約数列:

[1, 2, 4, 89, 178, 356, 143881, 287762, 575524, 12805409, 25610818, 51221636]

約数ペア:

[(1, 51221636), (2, 25610818), (4, 12805409), (89, 575524), (178, 287762), (356, 143881)]