28169617

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1783}}^1$

素因数の和:1888

約数の個数: 16

約数和(自身を含む): 33624832

約数和(自身を除く): 5455215

約数列:

[1, 7, 37, 61, 259, 427, 1783, 2257, 12481, 15799, 65971, 108763, 461797, 761341, 4024231, 28169617]

約数ペア:

[(1, 28169617), (7, 4024231), (37, 761341), (61, 461797), (259, 108763), (427, 65971), (1783, 15799), (2257, 12481)]