12816565

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:612

約数の個数: 16

約数和(自身を含む): 15828480

約数和(自身を除く): 3011915

約数列:

[1, 5, 71, 79, 355, 395, 457, 2285, 5609, 28045, 32447, 36103, 162235, 180515, 2563313, 12816565]

約数ペア:

[(1, 12816565), (5, 2563313), (71, 180515), (79, 162235), (355, 36103), (395, 32447), (457, 28045), (2285, 5609)]