15981266

素因数分解:

$2^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{2791}}^1$

素因数の和:3209

約数の個数: 16

約数和(自身を含む): 27473280

約数和(自身を除く): 11492014

約数列:

[1, 2, 7, 14, 409, 818, 2791, 2863, 5582, 5726, 19537, 39074, 1141519, 2283038, 7990633, 15981266]

約数ペア:

[(1, 15981266), (2, 7990633), (7, 2283038), (14, 1141519), (409, 39074), (818, 19537), (2791, 5726), (2863, 5582)]