639195794

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{2063}}^1$

素因数の和:2234

約数の個数: 32

約数和(自身を含む): 1016478720

約数和(自身を除く): 377282926

約数列:

[1, 2, 37, 53, 74, 79, 106, 158, 1961, 2063, 2923, 3922, 4126, 4187, 5846, 8374, 76331, 109339, 152662, 154919, 162977, 218678, 309838, 325954, 4045543, 6030149, 8091086, 8637781, 12060298, 17275562, 319597897, 639195794]

約数ペア:

[(1, 639195794), (2, 319597897), (37, 17275562), (53, 12060298), (74, 8637781), (79, 8091086), (106, 6030149), (158, 4045543), (1961, 325954), (2063, 309838), (2923, 218678), (3922, 162977), (4126, 154919), (4187, 152662), (5846, 109339), (8374, 76331)]