678484788

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{1314893}}^1$

素因数の和:1314943

約数の個数: 24

約数和(自身を含む): 1619949408

約数和(自身を除く): 941464620

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 1314893, 2629786, 3944679, 5259572, 7889358, 15778716, 56540399, 113080798, 169621197, 226161596, 339242394, 678484788]

約数ペア:

[(1, 678484788), (2, 339242394), (3, 226161596), (4, 169621197), (6, 113080798), (12, 56540399), (43, 15778716), (86, 7889358), (129, 5259572), (172, 3944679), (258, 2629786), (516, 1314893)]