289702998

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{39937}}^1$

素因数の和:39989

約数の個数: 48

約数和(自身を含む): 697796736

約数和(自身を除く): 408093738

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 186, 234, 279, 403, 558, 806, 1209, 2418, 3627, 7254, 39937, 79874, 119811, 239622, 359433, 519181, 718866, 1038362, 1238047, 1557543, 2476094, 3115086, 3714141, 4672629, 7428282, 9345258, 11142423, 16094611, 22284846, 32189222, 48283833, 96567666, 144851499, 289702998]

約数ペア:

[(1, 289702998), (2, 144851499), (3, 96567666), (6, 48283833), (9, 32189222), (13, 22284846), (18, 16094611), (26, 11142423), (31, 9345258), (39, 7428282), (62, 4672629), (78, 3714141), (93, 3115086), (117, 2476094), (186, 1557543), (234, 1238047), (279, 1038362), (403, 718866), (558, 519181), (806, 359433), (1209, 239622), (2418, 119811), (3627, 79874), (7254, 39937)]