12513985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^2\times {\mathrm{103}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 16900416

約数和(自身を除く): 4386431

約数列:

[1, 5, 11, 47, 55, 103, 235, 515, 517, 1133, 2209, 2585, 4841, 5665, 11045, 24205, 24299, 53251, 121495, 227527, 266255, 1137635, 2502797, 12513985]

約数ペア:

[(1, 12513985), (5, 2502797), (11, 1137635), (47, 266255), (55, 227527), (103, 121495), (235, 53251), (515, 24299), (517, 24205), (1133, 11045), (2209, 5665), (2585, 4841)]