218407128

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{478963}}^1$

素因数の和:478991

約数の個数: 32

約数和(自身を含む): 574756800

約数和(自身を除く): 356349672

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 456, 478963, 957926, 1436889, 1915852, 2873778, 3831704, 5747556, 9100297, 11495112, 18200594, 27300891, 36401188, 54601782, 72802376, 109203564, 218407128]

約数ペア:

[(1, 218407128), (2, 109203564), (3, 72802376), (4, 54601782), (6, 36401188), (8, 27300891), (12, 18200594), (19, 11495112), (24, 9100297), (38, 5747556), (57, 3831704), (76, 2873778), (114, 1915852), (152, 1436889), (228, 957926), (456, 478963)]