205730288

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{81899}}^1$

素因数の和:82064

約数の個数: 20

約数和(自身を含む): 401146200

約数和(自身を除く): 195415912

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 81899, 163798, 327596, 655192, 1310384, 12858143, 25716286, 51432572, 102865144, 205730288]

約数ペア:

[(1, 205730288), (2, 102865144), (4, 51432572), (8, 25716286), (16, 12858143), (157, 1310384), (314, 655192), (628, 327596), (1256, 163798), (2512, 81899)]