129921784

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{396103}}^1$

素因数の和:396150

約数の個数: 16

約数和(自身を含む): 249545520

約数和(自身を除く): 119623736

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 396103, 792206, 1584412, 3168824, 16240223, 32480446, 64960892, 129921784]

約数ペア:

[(1, 129921784), (2, 64960892), (4, 32480446), (8, 16240223), (41, 3168824), (82, 1584412), (164, 792206), (328, 396103)]