257130276

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{4349}}^1$

素因数の和:4748

約数の個数: 48

約数和(自身を含む): 647976000

約数和(自身を除く): 390845724

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 379, 758, 1137, 1516, 2274, 4349, 4548, 4927, 8698, 9854, 13047, 14781, 17396, 19708, 26094, 29562, 52188, 56537, 59124, 113074, 169611, 226148, 339222, 678444, 1648271, 3296542, 4944813, 6593084, 9889626, 19779252, 21427523, 42855046, 64282569, 85710092, 128565138, 257130276]

約数ペア:

[(1, 257130276), (2, 128565138), (3, 85710092), (4, 64282569), (6, 42855046), (12, 21427523), (13, 19779252), (26, 9889626), (39, 6593084), (52, 4944813), (78, 3296542), (156, 1648271), (379, 678444), (758, 339222), (1137, 226148), (1516, 169611), (2274, 113074), (4349, 59124), (4548, 56537), (4927, 52188), (8698, 29562), (9854, 26094), (13047, 19708), (14781, 17396)]