2851115

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:286

約数の個数: 16

約数和(自身を含む): 3564000

約数和(自身を除く): 712885

約数列:

[1, 5, 43, 89, 149, 215, 445, 745, 3827, 6407, 13261, 19135, 32035, 66305, 570223, 2851115]

約数ペア:

[(1, 2851115), (5, 570223), (43, 66305), (89, 32035), (149, 19135), (215, 13261), (445, 6407), (745, 3827)]