13868225

素因数分解:

$5^2\times 7^2\times {\mathrm{11321}}^1$

素因数の和:11345

約数の個数: 18

約数和(自身を含む): 20005974

約数和(自身を除く): 6137749

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 11321, 56605, 79247, 283025, 396235, 554729, 1981175, 2773645, 13868225]

約数ペア:

[(1, 13868225), (5, 2773645), (7, 1981175), (25, 554729), (35, 396235), (49, 283025), (175, 79247), (245, 56605), (1225, 11321)]