220290138

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{57457}}^1$

素因数の和:57539

約数の個数: 32

約数和(自身を含む): 496437120

約数和(自身を除く): 276146982

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 1278, 1917, 3834, 57457, 114914, 172371, 344742, 517113, 1034226, 1551339, 3102678, 4079447, 8158894, 12238341, 24476682, 36715023, 73430046, 110145069, 220290138]

約数ペア:

[(1, 220290138), (2, 110145069), (3, 73430046), (6, 36715023), (9, 24476682), (18, 12238341), (27, 8158894), (54, 4079447), (71, 3102678), (142, 1551339), (213, 1034226), (426, 517113), (639, 344742), (1278, 172371), (1917, 114914), (3834, 57457)]