2577185

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1328

約数の個数: 16

約数和(自身を含む): 3440640

約数和(自身を除く): 863455

約数列:

[1, 5, 13, 31, 65, 155, 403, 1279, 2015, 6395, 16627, 39649, 83135, 198245, 515437, 2577185]

約数ペア:

[(1, 2577185), (5, 515437), (13, 198245), (31, 83135), (65, 39649), (155, 16627), (403, 6395), (1279, 2015)]