256002992

素因数分解:

$2^4\times 7^1\times {\mathrm{2285741}}^1$

素因数の和:2285756

約数の個数: 20

約数和(自身を含む): 566864016

約数和(自身を除く): 310861024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2285741, 4571482, 9142964, 16000187, 18285928, 32000374, 36571856, 64000748, 128001496, 256002992]

約数ペア:

[(1, 256002992), (2, 128001496), (4, 64000748), (7, 36571856), (8, 32000374), (14, 18285928), (16, 16000187), (28, 9142964), (56, 4571482), (112, 2285741)]