81270832

素因数分解:

$2^4\times {\mathrm{2221}}^1\times {\mathrm{2287}}^1$

素因数の和:4516

約数の個数: 20

約数和(自身を含む): 157602016

約数和(自身を除く): 76331184

約数列:

[1, 2, 4, 8, 16, 2221, 2287, 4442, 4574, 8884, 9148, 17768, 18296, 35536, 36592, 5079427, 10158854, 20317708, 40635416, 81270832]

約数ペア:

[(1, 81270832), (2, 40635416), (4, 20317708), (8, 10158854), (16, 5079427), (2221, 36592), (2287, 35536), (4442, 18296), (4574, 17768), (8884, 9148)]