520464217

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{5783}}^1$

素因数の和:5869

約数の個数: 32

約数和(自身を含む): 684085248

約数和(自身を除く): 163621031

約数列:

[1, 7, 13, 23, 43, 91, 161, 299, 301, 559, 989, 2093, 3913, 5783, 6923, 12857, 40481, 75179, 89999, 133009, 248669, 526253, 931063, 1729117, 1740683, 3232697, 5719387, 12103819, 22628879, 40035709, 74352031, 520464217]

約数ペア:

[(1, 520464217), (7, 74352031), (13, 40035709), (23, 22628879), (43, 12103819), (91, 5719387), (161, 3232697), (299, 1740683), (301, 1729117), (559, 931063), (989, 526253), (2093, 248669), (3913, 133009), (5783, 89999), (6923, 75179), (12857, 40481)]