261415854

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{20143}}^1$

素因数の和:20261

約数の個数: 48

約数和(自身を含む): 653632512

約数和(自身を除く): 392216658

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 103, 126, 206, 309, 618, 721, 927, 1442, 1854, 2163, 4326, 6489, 12978, 20143, 40286, 60429, 120858, 141001, 181287, 282002, 362574, 423003, 846006, 1269009, 2074729, 2538018, 4149458, 6224187, 12448374, 14523103, 18672561, 29046206, 37345122, 43569309, 87138618, 130707927, 261415854]

約数ペア:

[(1, 261415854), (2, 130707927), (3, 87138618), (6, 43569309), (7, 37345122), (9, 29046206), (14, 18672561), (18, 14523103), (21, 12448374), (42, 6224187), (63, 4149458), (103, 2538018), (126, 2074729), (206, 1269009), (309, 846006), (618, 423003), (721, 362574), (927, 282002), (1442, 181287), (1854, 141001), (2163, 120858), (4326, 60429), (6489, 40286), (12978, 20143)]