218473708

素因数分解:

$2^2\times {\mathrm{4993}}^1\times {\mathrm{10939}}^1$

素因数の和:15936

約数の個数: 12

約数和(自身を含む): 382440520

約数和(自身を除く): 163966812

約数列:

[1, 2, 4, 4993, 9986, 10939, 19972, 21878, 43756, 54618427, 109236854, 218473708]

約数ペア:

[(1, 218473708), (2, 109236854), (4, 54618427), (4993, 43756), (9986, 21878), (10939, 19972)]