90721844

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{20981}}^1$

素因数の和:21055

約数の個数: 24

約数和(自身を含む): 169198848

約数和(自身を除く): 78477004

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 188, 1081, 2162, 4324, 20981, 41962, 83924, 482563, 965126, 986107, 1930252, 1972214, 3944428, 22680461, 45360922, 90721844]

約数ペア:

[(1, 90721844), (2, 45360922), (4, 22680461), (23, 3944428), (46, 1972214), (47, 1930252), (92, 986107), (94, 965126), (188, 482563), (1081, 83924), (2162, 41962), (4324, 20981)]