131398288

素因数分解:

$2^4\times 7^1\times {\mathrm{1173199}}^1$

素因数の和:1173214

約数の個数: 20

約数和(自身を含む): 290953600

約数和(自身を除く): 159555312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1173199, 2346398, 4692796, 8212393, 9385592, 16424786, 18771184, 32849572, 65699144, 131398288]

約数ペア:

[(1, 131398288), (2, 65699144), (4, 32849572), (7, 18771184), (8, 16424786), (14, 9385592), (16, 8212393), (28, 4692796), (56, 2346398), (112, 1173199)]