391988156

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{106867}}^1$

素因数の和:107009

約数の個数: 24

約数和(自身を含む): 789968256

約数和(自身を除く): 397980100

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 106867, 213734, 427468, 748069, 1496138, 2992276, 13999577, 27999154, 55998308, 97997039, 195994078, 391988156]

約数ペア:

[(1, 391988156), (2, 195994078), (4, 97997039), (7, 55998308), (14, 27999154), (28, 13999577), (131, 2992276), (262, 1496138), (524, 748069), (917, 427468), (1834, 213734), (3668, 106867)]