66986384

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{47041}}^1$

素因数の和:47138

約数の個数: 20

約数和(自身を含む): 131247180

約数和(自身を除く): 64260796

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 47041, 94082, 188164, 376328, 752656, 4186649, 8373298, 16746596, 33493192, 66986384]

約数ペア:

[(1, 66986384), (2, 33493192), (4, 16746596), (8, 8373298), (16, 4186649), (89, 752656), (178, 376328), (356, 188164), (712, 94082), (1424, 47041)]