81777572

素因数分解:

$2^2\times {\mathrm{43}}^2\times {\mathrm{11057}}^1$

素因数の和:11147

約数の個数: 18

約数和(自身を含む): 146529558

約数和(自身を除く): 64751986

約数列:

[1, 2, 4, 43, 86, 172, 1849, 3698, 7396, 11057, 22114, 44228, 475451, 950902, 1901804, 20444393, 40888786, 81777572]

約数ペア:

[(1, 81777572), (2, 40888786), (4, 20444393), (43, 1901804), (86, 950902), (172, 475451), (1849, 44228), (3698, 22114), (7396, 11057)]