12840665

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2239}}^1$

素因数の和:2312

約数の個数: 16

約数和(自身を含む): 16343040

約数和(自身を除く): 3502375

約数列:

[1, 5, 31, 37, 155, 185, 1147, 2239, 5735, 11195, 69409, 82843, 347045, 414215, 2568133, 12840665]

約数ペア:

[(1, 12840665), (5, 2568133), (31, 414215), (37, 347045), (155, 82843), (185, 69409), (1147, 11195), (2239, 5735)]