2648558

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{919}}^1$

素因数の和:1063

約数の個数: 16

約数和(自身を含む): 4371840

約数和(自身を除く): 1723282

約数列:

[1, 2, 11, 22, 131, 262, 919, 1441, 1838, 2882, 10109, 20218, 120389, 240778, 1324279, 2648558]

約数ペア:

[(1, 2648558), (2, 1324279), (11, 240778), (22, 120389), (131, 20218), (262, 10109), (919, 2882), (1441, 1838)]