2009180504

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{42019}}^1$

素因数の和:42207

約数の個数: 32

約数和(自身を含む): 3882648000

約数和(自身を除く): 1873467496

約数列:

[1, 2, 4, 8, 43, 86, 139, 172, 278, 344, 556, 1112, 5977, 11954, 23908, 42019, 47816, 84038, 168076, 336152, 1806817, 3613634, 5840641, 7227268, 11681282, 14454536, 23362564, 46725128, 251147563, 502295126, 1004590252, 2009180504]

約数ペア:

[(1, 2009180504), (2, 1004590252), (4, 502295126), (8, 251147563), (43, 46725128), (86, 23362564), (139, 14454536), (172, 11681282), (278, 7227268), (344, 5840641), (556, 3613634), (1112, 1806817), (5977, 336152), (11954, 168076), (23908, 84038), (42019, 47816)]