201523205

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{3359}}^1$

素因数の和:3461

約数の個数: 24

約数和(自身を含む): 265628160

約数和(自身を除く): 64104955

約数列:

[1, 5, 13, 65, 71, 169, 355, 845, 923, 3359, 4615, 11999, 16795, 43667, 59995, 218335, 238489, 567671, 1192445, 2838355, 3100357, 15501785, 40304641, 201523205]

約数ペア:

[(1, 201523205), (5, 40304641), (13, 15501785), (65, 3100357), (71, 2838355), (169, 1192445), (355, 567671), (845, 238489), (923, 218335), (3359, 59995), (4615, 43667), (11999, 16795)]