2557884

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{823}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 7013888

約数和(自身を除く): 4456004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 823, 1036, 1554, 1646, 2469, 3108, 3292, 4938, 5761, 9876, 11522, 17283, 23044, 30451, 34566, 60902, 69132, 91353, 121804, 182706, 213157, 365412, 426314, 639471, 852628, 1278942, 2557884]

約数ペア:

[(1, 2557884), (2, 1278942), (3, 852628), (4, 639471), (6, 426314), (7, 365412), (12, 213157), (14, 182706), (21, 121804), (28, 91353), (37, 69132), (42, 60902), (74, 34566), (84, 30451), (111, 23044), (148, 17283), (222, 11522), (259, 9876), (444, 5761), (518, 4938), (777, 3292), (823, 3108), (1036, 2469), (1554, 1646)]