2190955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{911}}^1$

素因数の和:966

約数の個数: 16

約数和(自身を含む): 2911104

約数和(自身を除く): 720149

約数列:

[1, 5, 13, 37, 65, 185, 481, 911, 2405, 4555, 11843, 33707, 59215, 168535, 438191, 2190955]

約数ペア:

[(1, 2190955), (5, 438191), (13, 168535), (37, 59215), (65, 33707), (185, 11843), (481, 4555), (911, 2405)]