28720352

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{12641}}^1$

素因数の和:12722

約数の個数: 24

約数和(自身を含む): 57344112

約数和(自身を除く): 28623760

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 12641, 25282, 50564, 101128, 202256, 404512, 897511, 1795022, 3590044, 7180088, 14360176, 28720352]

約数ペア:

[(1, 28720352), (2, 14360176), (4, 7180088), (8, 3590044), (16, 1795022), (32, 897511), (71, 404512), (142, 202256), (284, 101128), (568, 50564), (1136, 25282), (2272, 12641)]