678922528

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{493403}}^1$

素因数の和:493456

約数の個数: 24

約数和(自身を含む): 1367715888

約数和(自身を除く): 688793360

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 493403, 986806, 1973612, 3947224, 7894448, 15788896, 21216329, 42432658, 84865316, 169730632, 339461264, 678922528]

約数ペア:

[(1, 678922528), (2, 339461264), (4, 169730632), (8, 84865316), (16, 42432658), (32, 21216329), (43, 15788896), (86, 7894448), (172, 3947224), (344, 1973612), (688, 986806), (1376, 493403)]