1278479514

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{1987}}^1$

素因数の和:2191

約数の個数: 64

約数和(自身を含む): 2817489024

約数和(自身を除く): 1539009510

約数列:

[1, 2, 3, 6, 13, 26, 39, 73, 78, 113, 146, 219, 226, 339, 438, 678, 949, 1469, 1898, 1987, 2847, 2938, 3974, 4407, 5694, 5961, 8249, 8814, 11922, 16498, 24747, 25831, 49494, 51662, 77493, 107237, 145051, 154986, 214474, 224531, 290102, 321711, 435153, 449062, 643422, 673593, 870306, 1347186, 1885663, 2918903, 3771326, 5656989, 5837806, 8756709, 11313978, 16390763, 17513418, 32781526, 49172289, 98344578, 213079919, 426159838, 639239757, 1278479514]

約数ペア:

[(1, 1278479514), (2, 639239757), (3, 426159838), (6, 213079919), (13, 98344578), (26, 49172289), (39, 32781526), (73, 17513418), (78, 16390763), (113, 11313978), (146, 8756709), (219, 5837806), (226, 5656989), (339, 3771326), (438, 2918903), (678, 1885663), (949, 1347186), (1469, 870306), (1898, 673593), (1987, 643422), (2847, 449062), (2938, 435153), (3974, 321711), (4407, 290102), (5694, 224531), (5961, 214474), (8249, 154986), (8814, 145051), (11922, 107237), (16498, 77493), (24747, 51662), (25831, 49494)]