28218274

素因数分解:

$2^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{6481}}^1$

素因数の和:6801

約数の個数: 16

約数和(自身を含む): 48537216

約数和(自身を除く): 20318942

約数列:

[1, 2, 7, 14, 311, 622, 2177, 4354, 6481, 12962, 45367, 90734, 2015591, 4031182, 14109137, 28218274]

約数ペア:

[(1, 28218274), (2, 14109137), (7, 4031182), (14, 2015591), (311, 90734), (622, 45367), (2177, 12962), (4354, 6481)]