12786790

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{11731}}^1$

素因数の和:11847

約数の個数: 16

約数和(自身を含む): 23229360

約数和(自身を除く): 10442570

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 11731, 23462, 58655, 117310, 1278679, 2557358, 6393395, 12786790]

約数ペア:

[(1, 12786790), (2, 6393395), (5, 2557358), (10, 1278679), (109, 117310), (218, 58655), (545, 23462), (1090, 11731)]