13037225

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 16790592

約数和(自身を除く): 3753367

約数列:

[1, 5, 25, 61, 83, 103, 305, 415, 515, 1525, 2075, 2575, 5063, 6283, 8549, 25315, 31415, 42745, 126575, 157075, 213725, 521489, 2607445, 13037225]

約数ペア:

[(1, 13037225), (5, 2607445), (25, 521489), (61, 213725), (83, 157075), (103, 126575), (305, 42745), (415, 31415), (515, 25315), (1525, 8549), (2075, 6283), (2575, 5063)]