256356472

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{257}}^1\times {\mathrm{1861}}^1$

素因数の和:2191

約数の個数: 32

約数和(自身を含む): 490003920

約数和(自身を除く): 233647448

約数列:

[1, 2, 4, 8, 67, 134, 257, 268, 514, 536, 1028, 1861, 2056, 3722, 7444, 14888, 17219, 34438, 68876, 124687, 137752, 249374, 478277, 498748, 956554, 997496, 1913108, 3826216, 32044559, 64089118, 128178236, 256356472]

約数ペア:

[(1, 256356472), (2, 128178236), (4, 64089118), (8, 32044559), (67, 3826216), (134, 1913108), (257, 997496), (268, 956554), (514, 498748), (536, 478277), (1028, 249374), (1861, 137752), (2056, 124687), (3722, 68876), (7444, 34438), (14888, 17219)]