81292748

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{317}}^1\times {\mathrm{1051}}^1$

素因数の和:1433

約数の個数: 24

約数和(自身を含む): 145188624

約数和(自身を除く): 63895876

約数列:

[1, 2, 4, 61, 122, 244, 317, 634, 1051, 1268, 2102, 4204, 19337, 38674, 64111, 77348, 128222, 256444, 333167, 666334, 1332668, 20323187, 40646374, 81292748]

約数ペア:

[(1, 81292748), (2, 40646374), (4, 20323187), (61, 1332668), (122, 666334), (244, 333167), (317, 256444), (634, 128222), (1051, 77348), (1268, 64111), (2102, 38674), (4204, 19337)]