64657892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1243421}}^1$

素因数の和:1243438

約数の個数: 12

約数和(自身を含む): 121855356

約数和(自身を除く): 57197464

約数列:

[1, 2, 4, 13, 26, 52, 1243421, 2486842, 4973684, 16164473, 32328946, 64657892]

約数ペア:

[(1, 64657892), (2, 32328946), (4, 16164473), (13, 4973684), (26, 2486842), (52, 1243421)]