78720318

素因数分解:

$2^1\times 3^2\times {\mathrm{4373351}}^1$

素因数の和:4373359

約数の個数: 12

約数和(自身を含む): 170560728

約数和(自身を除く): 91840410

約数列:

[1, 2, 3, 6, 9, 18, 4373351, 8746702, 13120053, 26240106, 39360159, 78720318]

約数ペア:

[(1, 78720318), (2, 39360159), (3, 26240106), (6, 13120053), (9, 8746702), (18, 4373351)]