66489455

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{6421}}^1$

素因数の和:6554

約数の個数: 16

約数和(自身を含む): 84770400

約数和(自身を除く): 18280945

約数列:

[1, 5, 19, 95, 109, 545, 2071, 6421, 10355, 32105, 121999, 609995, 699889, 3499445, 13297891, 66489455]

約数ペア:

[(1, 66489455), (5, 13297891), (19, 3499445), (95, 699889), (109, 609995), (545, 121999), (2071, 32105), (6421, 10355)]