640668264

素因数分解:

$2^3\times 3^1\times {\mathrm{127}}^1\times {\mathrm{210193}}^1$

素因数の和:210329

約数の個数: 32

約数和(自身を含む): 1614289920

約数和(自身を除く): 973621656

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 127, 254, 381, 508, 762, 1016, 1524, 3048, 210193, 420386, 630579, 840772, 1261158, 1681544, 2522316, 5044632, 26694511, 53389022, 80083533, 106778044, 160167066, 213556088, 320334132, 640668264]

約数ペア:

[(1, 640668264), (2, 320334132), (3, 213556088), (4, 160167066), (6, 106778044), (8, 80083533), (12, 53389022), (24, 26694511), (127, 5044632), (254, 2522316), (381, 1681544), (508, 1261158), (762, 840772), (1016, 630579), (1524, 420386), (3048, 210193)]