28057561

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{449}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 32832000

約数和(自身を除く): 4774439

約数列:

[1, 7, 79, 113, 449, 553, 791, 3143, 8927, 35471, 50737, 62489, 248297, 355159, 4008223, 28057561]

約数ペア:

[(1, 28057561), (7, 4008223), (79, 355159), (113, 248297), (449, 62489), (553, 50737), (791, 35471), (3143, 8927)]