856215955

素因数分解:

$5^1\times 7^2\times {\mathrm{379}}^1\times {\mathrm{9221}}^1$

素因数の和:9619

約数の個数: 24

約数和(自身を含む): 1198491120

約数和(自身を除く): 342275165

約数列:

[1, 5, 7, 35, 49, 245, 379, 1895, 2653, 9221, 13265, 18571, 46105, 64547, 92855, 322735, 451829, 2259145, 3494759, 17473795, 24463313, 122316565, 171243191, 856215955]

約数ペア:

[(1, 856215955), (5, 171243191), (7, 122316565), (35, 24463313), (49, 17473795), (245, 3494759), (379, 2259145), (1895, 451829), (2653, 322735), (9221, 92855), (13265, 64547), (18571, 46105)]