81349708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{11071}}^1$

素因数の和:11253

約数の個数: 24

約数和(自身を含む): 156248064

約数和(自身を除く): 74898356

約数列:

[1, 2, 4, 11, 22, 44, 167, 334, 668, 1837, 3674, 7348, 11071, 22142, 44284, 121781, 243562, 487124, 1848857, 3697714, 7395428, 20337427, 40674854, 81349708]

約数ペア:

[(1, 81349708), (2, 40674854), (4, 20337427), (11, 7395428), (22, 3697714), (44, 1848857), (167, 487124), (334, 243562), (668, 121781), (1837, 44284), (3674, 22142), (7348, 11071)]