7881185

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:197

約数の個数: 32

約数和(自身を含む): 10916640

約数和(自身を除く): 3035455

約数列:

[1, 5, 13, 29, 37, 65, 113, 145, 185, 377, 481, 565, 1073, 1469, 1885, 2405, 3277, 4181, 5365, 7345, 13949, 16385, 20905, 42601, 54353, 69745, 121249, 213005, 271765, 606245, 1576237, 7881185]

約数ペア:

[(1, 7881185), (5, 1576237), (13, 606245), (29, 271765), (37, 213005), (65, 121249), (113, 69745), (145, 54353), (185, 42601), (377, 20905), (481, 16385), (565, 13949), (1073, 7345), (1469, 5365), (1885, 4181), (2405, 3277)]