81825194

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{21499}}^1$

素因数の和:21685

約数の個数: 16

約数和(自身を含む): 134676000

約数和(自身を除く): 52850806

約数列:

[1, 2, 11, 22, 173, 346, 1903, 3806, 21499, 42998, 236489, 472978, 3719327, 7438654, 40912597, 81825194]

約数ペア:

[(1, 81825194), (2, 40912597), (11, 7438654), (22, 3719327), (173, 472978), (346, 236489), (1903, 42998), (3806, 21499)]