81242942

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{9029}}^1$

素因数の和:9451

約数の個数: 16

約数和(自身を含む): 133282800

約数和(自身を除く): 52039858

約数列:

[1, 2, 11, 22, 409, 818, 4499, 8998, 9029, 18058, 99319, 198638, 3692861, 7385722, 40621471, 81242942]

約数ペア:

[(1, 81242942), (2, 40621471), (11, 7385722), (22, 3692861), (409, 198638), (818, 99319), (4499, 18058), (8998, 9029)]