78720804

素因数分解:

$2^2\times 3^2\times {\mathrm{2186689}}^1$

素因数の和:2186699

約数の個数: 18

約数和(自身を含む): 198988790

約数和(自身を除く): 120267986

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2186689, 4373378, 6560067, 8746756, 13120134, 19680201, 26240268, 39360402, 78720804]

約数ペア:

[(1, 78720804), (2, 39360402), (3, 26240268), (4, 19680201), (6, 13120134), (9, 8746756), (12, 6560067), (18, 4373378), (36, 2186689)]