2551085.00000000

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{373}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 115969920

約数和(自身を除く): 64188568

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 67, 74, 134, 148, 259, 268, 296, 373, 469, 518, 536, 746, 938, 1036, 1492, 1876, 2072, 2479, 2611, 2984, 3752, 4958, 5222, 9916, 10444, 13801, 17353, 19832, 20888, 24991, 27602, 34706, 49982, 55204, 69412, 96607, 99964, 110408, 138824, 174937, 193214, 199928, 349874, 386428, 699748, 772856, 924667, 1399496, 1849334, 3698668, 6472669, 7397336, 12945338, 25890676, 51781352]

約数ペア:

[(1, 51781352), (2, 25890676), (4, 12945338), (7, 7397336), (8, 6472669), (14, 3698668), (28, 1849334), (37, 1399496), (56, 924667), (67, 772856), (74, 699748), (134, 386428), (148, 349874), (259, 199928), (268, 193214), (296, 174937), (373, 138824), (469, 110408), (518, 99964), (536, 96607), (746, 69412), (938, 55204), (1036, 49982), (1492, 34706), (1876, 27602), (2072, 24991), (2479, 20888), (2611, 19832), (2984, 17353), (3752, 13801), (4958, 10444), (5222, 9916)]