161778564

素因数分解:

$2^2\times 3^2\times {\mathrm{4493849}}^1$

素因数の和:4493859

約数の個数: 18

約数和(自身を含む): 408940350

約数和(自身を除く): 247161786

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 4493849, 8987698, 13481547, 17975396, 26963094, 40444641, 53926188, 80889282, 161778564]

約数ペア:

[(1, 161778564), (2, 80889282), (3, 53926188), (4, 40444641), (6, 26963094), (9, 17975396), (12, 13481547), (18, 8987698), (36, 4493849)]