287481468

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{172351}}^1$

素因数の和:172497

約数の個数: 24

約数和(自身を含む): 675619840

約数和(自身を除く): 388138372

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 172351, 344702, 517053, 689404, 1034106, 2068212, 23956789, 47913578, 71870367, 95827156, 143740734, 287481468]

約数ペア:

[(1, 287481468), (2, 143740734), (3, 95827156), (4, 71870367), (6, 47913578), (12, 23956789), (139, 2068212), (278, 1034106), (417, 689404), (556, 517053), (834, 344702), (1668, 172351)]