66521356

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1693}}^1$

素因数の和:1774

約数の個数: 48

約数和(自身を含む): 136604160

約数和(自身を除く): 70082804

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 47, 76, 94, 188, 209, 418, 517, 836, 893, 1034, 1693, 1786, 2068, 3386, 3572, 6772, 9823, 18623, 19646, 32167, 37246, 39292, 64334, 74492, 79571, 128668, 159142, 318284, 353837, 707674, 875281, 1415348, 1511849, 1750562, 3023698, 3501124, 6047396, 16630339, 33260678, 66521356]

約数ペア:

[(1, 66521356), (2, 33260678), (4, 16630339), (11, 6047396), (19, 3501124), (22, 3023698), (38, 1750562), (44, 1511849), (47, 1415348), (76, 875281), (94, 707674), (188, 353837), (209, 318284), (418, 159142), (517, 128668), (836, 79571), (893, 74492), (1034, 64334), (1693, 39292), (1786, 37246), (2068, 32167), (3386, 19646), (3572, 18623), (6772, 9823)]