78726564

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{312407}}^1$

素因数の和:312424

約数の個数: 36

約数和(自身を含む): 227433024

約数和(自身を除く): 148706460

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 312407, 624814, 937221, 1249628, 1874442, 2186849, 2811663, 3748884, 4373698, 5623326, 6560547, 8747396, 11246652, 13121094, 19681641, 26242188, 39363282, 78726564]

約数ペア:

[(1, 78726564), (2, 39363282), (3, 26242188), (4, 19681641), (6, 13121094), (7, 11246652), (9, 8747396), (12, 6560547), (14, 5623326), (18, 4373698), (21, 3748884), (28, 2811663), (36, 2186849), (42, 1874442), (63, 1249628), (84, 937221), (126, 624814), (252, 312407)]