2640209

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:560

約数の個数: 16

約数和(自身を含む): 3192000

約数和(自身を除く): 551791

約数列:

[1, 11, 13, 37, 143, 407, 481, 499, 5291, 5489, 6487, 18463, 71357, 203093, 240019, 2640209]

約数ペア:

[(1, 2640209), (11, 240019), (13, 203093), (37, 71357), (143, 18463), (407, 6487), (481, 5489), (499, 5291)]