638706492

素因数分解:

$2^2\times 3^3\times {\mathrm{73}}^1\times {\mathrm{81013}}^1$

素因数の和:81099

約数の個数: 48

約数和(自身を含む): 1678610080

約数和(自身を除く): 1039903588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 73, 108, 146, 219, 292, 438, 657, 876, 1314, 1971, 2628, 3942, 7884, 81013, 162026, 243039, 324052, 486078, 729117, 972156, 1458234, 2187351, 2916468, 4374702, 5913949, 8749404, 11827898, 17741847, 23655796, 35483694, 53225541, 70967388, 106451082, 159676623, 212902164, 319353246, 638706492]

約数ペア:

[(1, 638706492), (2, 319353246), (3, 212902164), (4, 159676623), (6, 106451082), (9, 70967388), (12, 53225541), (18, 35483694), (27, 23655796), (36, 17741847), (54, 11827898), (73, 8749404), (108, 5913949), (146, 4374702), (219, 2916468), (292, 2187351), (438, 1458234), (657, 972156), (876, 729117), (1314, 486078), (1971, 324052), (2628, 243039), (3942, 162026), (7884, 81013)]