2557945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 32

約数和(自身を含む): 3628800

約数和(自身を除く): 1070855

約数列:

[1, 5, 13, 23, 29, 59, 65, 115, 145, 295, 299, 377, 667, 767, 1357, 1495, 1711, 1885, 3335, 3835, 6785, 8555, 8671, 17641, 22243, 39353, 43355, 88205, 111215, 196765, 511589, 2557945]

約数ペア:

[(1, 2557945), (5, 511589), (13, 196765), (23, 111215), (29, 88205), (59, 43355), (65, 39353), (115, 22243), (145, 17641), (295, 8671), (299, 8555), (377, 6785), (667, 3835), (767, 3335), (1357, 1885), (1495, 1711)]