1679748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19997}}^1$

素因数の和:20011

約数の個数: 24

約数和(自身を含む): 4479552

約数和(自身を除く): 2799804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 19997, 39994, 59991, 79988, 119982, 139979, 239964, 279958, 419937, 559916, 839874, 1679748]

約数ペア:

[(1, 1679748), (2, 839874), (3, 559916), (4, 419937), (6, 279958), (7, 239964), (12, 139979), (14, 119982), (21, 79988), (28, 59991), (42, 39994), (84, 19997)]