56027881

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19861}}^1$

素因数の和:19912

約数の個数: 16

約数和(自身を含む): 71185408

約数和(自身を除く): 15157527

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 19861, 139027, 258193, 615691, 1807351, 4309837, 8003983, 56027881]

約数ペア:

[(1, 56027881), (7, 8003983), (13, 4309837), (31, 1807351), (91, 615691), (217, 258193), (403, 139027), (2821, 19861)]