1891045009

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{28279}}^1$

素因数の和:28560

約数の個数: 16

約数和(自身を含む): 2223486720

約数和(自身を除く): 332441711

約数列:

[1, 7, 41, 233, 287, 1631, 9553, 28279, 66871, 197953, 1159439, 6589007, 8116073, 46123049, 270149287, 1891045009]

約数ペア:

[(1, 1891045009), (7, 270149287), (41, 46123049), (233, 8116073), (287, 6589007), (1631, 1159439), (9553, 197953), (28279, 66871)]