31356828

素因数分解:

$2^2\times 3^3\times {\mathrm{199}}^1\times {\mathrm{1459}}^1$

素因数の和:1671

約数の個数: 48

約数和(自身を含む): 81760000

約数和(自身を除く): 50403172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 199, 398, 597, 796, 1194, 1459, 1791, 2388, 2918, 3582, 4377, 5373, 5836, 7164, 8754, 10746, 13131, 17508, 21492, 26262, 39393, 52524, 78786, 157572, 290341, 580682, 871023, 1161364, 1742046, 2613069, 3484092, 5226138, 7839207, 10452276, 15678414, 31356828]

約数ペア:

[(1, 31356828), (2, 15678414), (3, 10452276), (4, 7839207), (6, 5226138), (9, 3484092), (12, 2613069), (18, 1742046), (27, 1161364), (36, 871023), (54, 580682), (108, 290341), (199, 157572), (398, 78786), (597, 52524), (796, 39393), (1194, 26262), (1459, 21492), (1791, 17508), (2388, 13131), (2918, 10746), (3582, 8754), (4377, 7164), (5373, 5836)]