78646478

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{2801}}^1$

素因数の和:3043

約数の個数: 16

約数和(自身を含む): 120037680

約数和(自身を除く): 41391202

約数列:

[1, 2, 101, 139, 202, 278, 2801, 5602, 14039, 28078, 282901, 389339, 565802, 778678, 39323239, 78646478]

約数ペア:

[(1, 78646478), (2, 39323239), (101, 778678), (139, 565802), (202, 389339), (278, 282901), (2801, 28078), (5602, 14039)]