219878084

素因数分解:

$2^2\times {\mathrm{1213}}^1\times {\mathrm{45317}}^1$

素因数の和:46534

約数の個数: 12

約数和(自身を含む): 385112364

約数和(自身を除く): 165234280

約数列:

[1, 2, 4, 1213, 2426, 4852, 45317, 90634, 181268, 54969521, 109939042, 219878084]

約数ペア:

[(1, 219878084), (2, 109939042), (4, 54969521), (1213, 181268), (2426, 90634), (4852, 45317)]