2078128415

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{647}}^1\times {\mathrm{5309}}^1$

素因数の和:5983

約数の個数: 24

約数和(自身を含む): 2745822240

約数和(自身を除く): 667693825

約数列:

[1, 5, 11, 55, 121, 605, 647, 3235, 5309, 7117, 26545, 35585, 58399, 78287, 291995, 391435, 642389, 3211945, 3434923, 17174615, 37784153, 188920765, 415625683, 2078128415]

約数ペア:

[(1, 2078128415), (5, 415625683), (11, 188920765), (55, 37784153), (121, 17174615), (605, 3434923), (647, 3211945), (3235, 642389), (5309, 391435), (7117, 291995), (26545, 78287), (35585, 58399)]