255804836

素因数分解:

$2^2\times 7^1\times {\mathrm{457}}^1\times {\mathrm{19991}}^1$

素因数の和:20459

約数の個数: 24

約数和(自身を含む): 512754816

約数和(自身を除く): 256949980

約数列:

[1, 2, 4, 7, 14, 28, 457, 914, 1828, 3199, 6398, 12796, 19991, 39982, 79964, 139937, 279874, 559748, 9135887, 18271774, 36543548, 63951209, 127902418, 255804836]

約数ペア:

[(1, 255804836), (2, 127902418), (4, 63951209), (7, 36543548), (14, 18271774), (28, 9135887), (457, 559748), (914, 279874), (1828, 139937), (3199, 79964), (6398, 39982), (12796, 19991)]