31117666

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 51217920

約数和(自身を除く): 20100254

約数列:

[1, 2, 23, 37, 46, 47, 74, 94, 389, 778, 851, 1081, 1702, 1739, 2162, 3478, 8947, 14393, 17894, 18283, 28786, 36566, 39997, 79994, 331039, 420509, 662078, 676471, 841018, 1352942, 15558833, 31117666]

約数ペア:

[(1, 31117666), (2, 15558833), (23, 1352942), (37, 841018), (46, 676471), (47, 662078), (74, 420509), (94, 331039), (389, 79994), (778, 39997), (851, 36566), (1081, 28786), (1702, 18283), (1739, 17894), (2162, 14393), (3478, 8947)]