28320338

素因数分解:

$2^1\times {\mathrm{53}}^2\times {\mathrm{71}}^2$

素因数の和:250

約数の個数: 18

約数和(自身を含む): 43915557

約数和(自身を除く): 15595219

約数列:

[1, 2, 53, 71, 106, 142, 2809, 3763, 5041, 5618, 7526, 10082, 199439, 267173, 398878, 534346, 14160169, 28320338]

約数ペア:

[(1, 28320338), (2, 14160169), (53, 534346), (71, 398878), (106, 267173), (142, 199439), (2809, 10082), (3763, 7526), (5041, 5618)]