2187909368

素因数分解:

$2^3\times {\mathrm{557}}^1\times {\mathrm{491003}}^1$

素因数の和:491566

約数の個数: 16

約数和(自身を含む): 4109703480

約数和(自身を除く): 1921794112

約数列:

[1, 2, 4, 8, 557, 1114, 2228, 4456, 491003, 982006, 1964012, 3928024, 273488671, 546977342, 1093954684, 2187909368]

約数ペア:

[(1, 2187909368), (2, 1093954684), (4, 546977342), (8, 273488671), (557, 3928024), (1114, 1964012), (2228, 982006), (4456, 491003)]