12947870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{727}}^1$

素因数の和:884

約数の個数: 32

約数和(自身を含む): 25316928

約数和(自身を除く): 12369058

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 137, 274, 685, 727, 1370, 1454, 1781, 3562, 3635, 7270, 8905, 9451, 17810, 18902, 47255, 94510, 99599, 199198, 497995, 995990, 1294787, 2589574, 6473935, 12947870]

約数ペア:

[(1, 12947870), (2, 6473935), (5, 2589574), (10, 1294787), (13, 995990), (26, 497995), (65, 199198), (130, 99599), (137, 94510), (274, 47255), (685, 18902), (727, 17810), (1370, 9451), (1454, 8905), (1781, 7270), (3562, 3635)]