12987130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99901}}^1$

素因数の和:99921

約数の個数: 16

約数和(自身を含む): 25175304

約数和(自身を除く): 12188174

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 99901, 199802, 499505, 999010, 1298713, 2597426, 6493565, 12987130]

約数ペア:

[(1, 12987130), (2, 6493565), (5, 2597426), (10, 1298713), (13, 999010), (26, 499505), (65, 199802), (130, 99901)]