28205726

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1\times {\mathrm{509}}^1$

素因数の和:883

約数の個数: 16

約数和(自身を含む): 42962400

約数和(自身を除く): 14756674

約数列:

[1, 2, 103, 206, 269, 509, 538, 1018, 27707, 52427, 55414, 104854, 136921, 273842, 14102863, 28205726]

約数ペア:

[(1, 28205726), (2, 14102863), (103, 273842), (206, 136921), (269, 104854), (509, 55414), (538, 52427), (1018, 27707)]