28767655

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{6907}}^1$

素因数の和:6943

約数の個数: 24

約数和(自身を含む): 42525648

約数和(自身を除く): 13757993

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 595, 833, 4165, 6907, 34535, 48349, 117419, 241745, 338443, 587095, 821933, 1692215, 4109665, 5753531, 28767655]

約数ペア:

[(1, 28767655), (5, 5753531), (7, 4109665), (17, 1692215), (35, 821933), (49, 587095), (85, 338443), (119, 241745), (245, 117419), (595, 48349), (833, 34535), (4165, 6907)]