31881146

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{503}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 54286848

約数和(自身を除く): 22405702

約数列:

[1, 2, 11, 22, 43, 67, 86, 134, 473, 503, 737, 946, 1006, 1474, 2881, 5533, 5762, 11066, 21629, 31691, 33701, 43258, 63382, 67402, 237919, 370711, 475838, 741422, 1449143, 2898286, 15940573, 31881146]

約数ペア:

[(1, 31881146), (2, 15940573), (11, 2898286), (22, 1449143), (43, 741422), (67, 475838), (86, 370711), (134, 237919), (473, 67402), (503, 63382), (737, 43258), (946, 33701), (1006, 31691), (1474, 21629), (2881, 11066), (5533, 5762)]