81251764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1846631}}^1$

素因数の和:1846646

約数の個数: 12

約数和(自身を含む): 155117088

約数和(自身を除く): 73865324

約数列:

[1, 2, 4, 11, 22, 44, 1846631, 3693262, 7386524, 20312941, 40625882, 81251764]

約数ペア:

[(1, 81251764), (2, 40625882), (4, 20312941), (11, 7386524), (22, 3693262), (44, 1846631)]