2187215855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{924827}}^1$

素因数の和:924886

約数の個数: 16

約数和(自身を含む): 2929855104

約数和(自身を除く): 742639249

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 924827, 4624135, 10173097, 39767561, 50865485, 198837805, 437443171, 2187215855]

約数ペア:

[(1, 2187215855), (5, 437443171), (11, 198837805), (43, 50865485), (55, 39767561), (215, 10173097), (473, 4624135), (2365, 924827)]