2909855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{503}}^1$

素因数の和:610

約数の個数: 16

約数和(自身を含む): 3810240

約数和(自身を除く): 900385

約数列:

[1, 5, 13, 65, 89, 445, 503, 1157, 2515, 5785, 6539, 32695, 44767, 223835, 581971, 2909855]

約数ペア:

[(1, 2909855), (5, 581971), (13, 223835), (65, 44767), (89, 32695), (445, 6539), (503, 5785), (1157, 2515)]