81430364

素因数分解:

$2^2\times {\mathrm{61}}^2\times {\mathrm{5471}}^1$

素因数の和:5597

約数の個数: 18

約数和(自身を含む): 144904032

約数和(自身を除く): 63473668

約数列:

[1, 2, 4, 61, 122, 244, 3721, 5471, 7442, 10942, 14884, 21884, 333731, 667462, 1334924, 20357591, 40715182, 81430364]

約数ペア:

[(1, 81430364), (2, 40715182), (4, 20357591), (61, 1334924), (122, 667462), (244, 333731), (3721, 21884), (5471, 14884), (7442, 10942)]