12960805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18127}}^1$

素因数の和:18156

約数の個数: 16

約数和(自身を含む): 18273024

約数和(自身を除く): 5312219

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 18127, 90635, 199397, 235651, 996985, 1178255, 2592161, 12960805]

約数ペア:

[(1, 12960805), (5, 2592161), (11, 1178255), (13, 996985), (55, 235651), (65, 199397), (143, 90635), (715, 18127)]