12729005

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{383}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 16975872

約数和(自身を除く): 4246867

約数列:

[1, 5, 17, 23, 85, 115, 289, 383, 391, 1445, 1915, 1955, 6511, 6647, 8809, 32555, 33235, 44045, 110687, 149753, 553435, 748765, 2545801, 12729005]

約数ペア:

[(1, 12729005), (5, 2545801), (17, 748765), (23, 553435), (85, 149753), (115, 110687), (289, 44045), (383, 33235), (391, 32555), (1445, 8809), (1915, 6647), (1955, 6511)]