87081905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{27689}}^1$

素因数の和:27748

約数の個数: 16

約数和(自身を含む): 113639760

約数和(自身を除く): 26557855

約数列:

[1, 5, 17, 37, 85, 185, 629, 3145, 27689, 138445, 470713, 1024493, 2353565, 5122465, 17416381, 87081905]

約数ペア:

[(1, 87081905), (5, 17416381), (17, 5122465), (37, 2353565), (85, 1024493), (185, 470713), (629, 138445), (3145, 27689)]