256404968

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{27943}}^1$

素因数の和:28017

約数の個数: 32

約数和(自身を含む): 509698560

約数和(自身を除く): 253293592

約数列:

[1, 2, 4, 8, 31, 37, 62, 74, 124, 148, 248, 296, 1147, 2294, 4588, 9176, 27943, 55886, 111772, 223544, 866233, 1033891, 1732466, 2067782, 3464932, 4135564, 6929864, 8271128, 32050621, 64101242, 128202484, 256404968]

約数ペア:

[(1, 256404968), (2, 128202484), (4, 64101242), (8, 32050621), (31, 8271128), (37, 6929864), (62, 4135564), (74, 3464932), (124, 2067782), (148, 1732466), (248, 1033891), (296, 866233), (1147, 223544), (2294, 111772), (4588, 55886), (9176, 27943)]