78899728

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{37643}}^1$

素因数の和:37782

約数の個数: 20

約数和(自身を含む): 154039248

約数和(自身を除く): 75139520

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 37643, 75286, 150572, 301144, 602288, 4931233, 9862466, 19724932, 39449864, 78899728]

約数ペア:

[(1, 78899728), (2, 39449864), (4, 19724932), (8, 9862466), (16, 4931233), (131, 602288), (262, 301144), (524, 150572), (1048, 75286), (2096, 37643)]