16581256

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{121921}}^1$

素因数の和:121944

約数の個数: 16

約数和(自身を含む): 32918940

約数和(自身を除く): 16337684

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 121921, 243842, 487684, 975368, 2072657, 4145314, 8290628, 16581256]

約数ペア:

[(1, 16581256), (2, 8290628), (4, 4145314), (8, 2072657), (17, 975368), (34, 487684), (68, 243842), (136, 121921)]