6668656

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{2557}}^1$

素因数の和:2728

約数の個数: 20

約数和(自身を含む): 13004872

約数和(自身を除く): 6336216

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2557, 2608, 5114, 10228, 20456, 40912, 416791, 833582, 1667164, 3334328, 6668656]

約数ペア:

[(1, 6668656), (2, 3334328), (4, 1667164), (8, 833582), (16, 416791), (163, 40912), (326, 20456), (652, 10228), (1304, 5114), (2557, 2608)]