12591605

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{631}}^1$

素因数の和:956

約数の個数: 16

約数和(自身を含む): 16351104

約数和(自身を除く): 3759499

約数列:

[1, 5, 13, 65, 307, 631, 1535, 3155, 3991, 8203, 19955, 41015, 193717, 968585, 2518321, 12591605]

約数ペア:

[(1, 12591605), (5, 2518321), (13, 968585), (65, 193717), (307, 41015), (631, 19955), (1535, 8203), (3155, 3991)]