28682731

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2719}}^1$

素因数の和:2874

約数の個数: 16

約数和(自身を含む): 36034560

約数和(自身を除く): 7351829

約数列:

[1, 7, 11, 77, 137, 959, 1507, 2719, 10549, 19033, 29909, 209363, 372503, 2607521, 4097533, 28682731]

約数ペア:

[(1, 28682731), (7, 4097533), (11, 2607521), (77, 372503), (137, 209363), (959, 29909), (1507, 19033), (2719, 10549)]