12161305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{839}}^1$

素因数の和:1080

約数の個数: 16

約数和(自身を含む): 15805440

約数和(自身を除く): 3644135

約数列:

[1, 5, 13, 65, 223, 839, 1115, 2899, 4195, 10907, 14495, 54535, 187097, 935485, 2432261, 12161305]

約数ペア:

[(1, 12161305), (5, 2432261), (13, 935485), (65, 187097), (223, 54535), (839, 14495), (1115, 10907), (2899, 4195)]