81903305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1129}}^1\times {\mathrm{1319}}^1$

素因数の和:2464

約数の個数: 16

約数和(自身を含む): 107395200

約数和(自身を除く): 25491895

約数列:

[1, 5, 11, 55, 1129, 1319, 5645, 6595, 12419, 14509, 62095, 72545, 1489151, 7445755, 16380661, 81903305]

約数ペア:

[(1, 81903305), (5, 16380661), (11, 7445755), (55, 1489151), (1129, 72545), (1319, 62095), (5645, 14509), (6595, 12419)]