40691819

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{409}}^1$

素因数の和:710

約数の個数: 16

約数和(自身を含む): 47586240

約数和(自身を除く): 6894421

約数列:

[1, 7, 61, 233, 409, 427, 1631, 2863, 14213, 24949, 95297, 99491, 174643, 667079, 5813117, 40691819]

約数ペア:

[(1, 40691819), (7, 5813117), (61, 667079), (233, 174643), (409, 99491), (427, 95297), (1631, 24949), (2863, 14213)]