80978458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{15401}}^1$

素因数の和:15653

約数の個数: 16

約数和(自身を含む): 133073280

約数和(自身を除く): 52094822

約数列:

[1, 2, 11, 22, 239, 478, 2629, 5258, 15401, 30802, 169411, 338822, 3680839, 7361678, 40489229, 80978458]

約数ペア:

[(1, 80978458), (2, 40489229), (11, 7361678), (22, 3680839), (239, 338822), (478, 169411), (2629, 30802), (5258, 15401)]