64140892

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{391103}}^1$

素因数の和:391148

約数の個数: 12

約数和(自身を含む): 114984576

約数和(自身を除く): 50843684

約数列:

[1, 2, 4, 41, 82, 164, 391103, 782206, 1564412, 16035223, 32070446, 64140892]

約数ペア:

[(1, 64140892), (2, 32070446), (4, 16035223), (41, 1564412), (82, 782206), (164, 391103)]