1280686

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2531}}^1$

素因数の和:2567

約数の個数: 16

約数和(自身を含む): 2187648

約数和(自身を除く): 906962

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 2531, 5062, 27841, 55682, 58213, 116426, 640343, 1280686]

約数ペア:

[(1, 1280686), (2, 640343), (11, 116426), (22, 58213), (23, 55682), (46, 27841), (253, 5062), (506, 2531)]