856362415

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{9461}}^1$

素因数の和:9930

約数の個数: 16

約数和(自身を含む): 1054142496

約数和(自身を除く): 197780081

約数列:

[1, 5, 43, 215, 421, 2105, 9461, 18103, 47305, 90515, 406823, 2034115, 3983081, 19915405, 171272483, 856362415]

約数ペア:

[(1, 856362415), (5, 171272483), (43, 19915405), (215, 3983081), (421, 2034115), (2105, 406823), (9461, 90515), (18103, 47305)]