256643268

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{3055277}}^1$

素因数の和:3055291

約数の個数: 24

約数和(自身を含む): 684382272

約数和(自身を除く): 427739004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 3055277, 6110554, 9165831, 12221108, 18331662, 21386939, 36663324, 42773878, 64160817, 85547756, 128321634, 256643268]

約数ペア:

[(1, 256643268), (2, 128321634), (3, 85547756), (4, 64160817), (6, 42773878), (7, 36663324), (12, 21386939), (14, 18331662), (21, 12221108), (28, 9165831), (42, 6110554), (84, 3055277)]