209525372

素因数分解:

$2^2\times 7^2\times {\mathrm{1069007}}^1$

素因数の和:1069025

約数の個数: 18

約数和(自身を含む): 426534192

約数和(自身を除く): 217008820

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1069007, 2138014, 4276028, 7483049, 14966098, 29932196, 52381343, 104762686, 209525372]

約数ペア:

[(1, 209525372), (2, 104762686), (4, 52381343), (7, 29932196), (14, 14966098), (28, 7483049), (49, 4276028), (98, 2138014), (196, 1069007)]