12908155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2797}}^1$

素因数の和:2886

約数の個数: 16

約数和(自身を含む): 16922304

約数和(自身を除く): 4014149

約数列:

[1, 5, 13, 65, 71, 355, 923, 2797, 4615, 13985, 36361, 181805, 198587, 992935, 2581631, 12908155]

約数ペア:

[(1, 12908155), (5, 2581631), (13, 992935), (65, 198587), (71, 181805), (355, 36361), (923, 13985), (2797, 4615)]