438996818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{157799}}^1$

素因数の和:157921

約数の個数: 16

約数和(自身を含む): 715780800

約数和(自身を除く): 276783982

約数列:

[1, 2, 13, 26, 107, 214, 1391, 2782, 157799, 315598, 2051387, 4102774, 16884493, 33768986, 219498409, 438996818]

約数ペア:

[(1, 438996818), (2, 219498409), (13, 33768986), (26, 16884493), (107, 4102774), (214, 2051387), (1391, 315598), (2782, 157799)]