68639945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 93744000

約数和(自身を除く): 25104055

約数列:

[1, 5, 11, 41, 55, 61, 205, 305, 451, 499, 671, 2255, 2495, 2501, 3355, 5489, 12505, 20459, 27445, 27511, 30439, 102295, 137555, 152195, 225049, 334829, 1125245, 1247999, 1674145, 6239995, 13727989, 68639945]

約数ペア:

[(1, 68639945), (5, 13727989), (11, 6239995), (41, 1674145), (55, 1247999), (61, 1125245), (205, 334829), (305, 225049), (451, 152195), (499, 137555), (671, 102295), (2255, 30439), (2495, 27511), (2501, 27445), (3355, 20459), (5489, 12505)]