81590206

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{2857}}^1$

素因数の和:3099

約数の個数: 16

約数和(自身を含む): 124494480

約数和(自身を除く): 42904274

約数列:

[1, 2, 109, 131, 218, 262, 2857, 5714, 14279, 28558, 311413, 374267, 622826, 748534, 40795103, 81590206]

約数ペア:

[(1, 81590206), (2, 40795103), (109, 748534), (131, 622826), (218, 374267), (262, 311413), (2857, 28558), (5714, 14279)]