205984

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:208

約数の個数: 24

約数和(自身を含む): 418068

約数和(自身を除く): 212084

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 157, 164, 314, 328, 628, 656, 1256, 1312, 2512, 5024, 6437, 12874, 25748, 51496, 102992, 205984]

約数ペア:

[(1, 205984), (2, 102992), (4, 51496), (8, 25748), (16, 12874), (32, 6437), (41, 5024), (82, 2512), (157, 1312), (164, 1256), (314, 656), (328, 628)]