31278168

素因数分解:

$2^3\times 3^2\times {\mathrm{157}}^1\times {\mathrm{2767}}^1$

素因数の和:2936

約数の個数: 48

約数和(自身を含む): 85282080

約数和(自身を除く): 54003912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 157, 314, 471, 628, 942, 1256, 1413, 1884, 2767, 2826, 3768, 5534, 5652, 8301, 11068, 11304, 16602, 22136, 24903, 33204, 49806, 66408, 99612, 199224, 434419, 868838, 1303257, 1737676, 2606514, 3475352, 3909771, 5213028, 7819542, 10426056, 15639084, 31278168]

約数ペア:

[(1, 31278168), (2, 15639084), (3, 10426056), (4, 7819542), (6, 5213028), (8, 3909771), (9, 3475352), (12, 2606514), (18, 1737676), (24, 1303257), (36, 868838), (72, 434419), (157, 199224), (314, 99612), (471, 66408), (628, 49806), (942, 33204), (1256, 24903), (1413, 22136), (1884, 16602), (2767, 11304), (2826, 11068), (3768, 8301), (5534, 5652)]