389898488

素因数分解:

$2^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{14009}}^1$

素因数の和:14100

約数の個数: 48

約数和(自身を含む): 862455600

約数和(自身を除く): 472557112

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 71, 98, 142, 196, 284, 392, 497, 568, 994, 1988, 3479, 3976, 6958, 13916, 14009, 27832, 28018, 56036, 98063, 112072, 196126, 392252, 686441, 784504, 994639, 1372882, 1989278, 2745764, 3978556, 5491528, 6962473, 7957112, 13924946, 27849892, 48737311, 55699784, 97474622, 194949244, 389898488]

約数ペア:

[(1, 389898488), (2, 194949244), (4, 97474622), (7, 55699784), (8, 48737311), (14, 27849892), (28, 13924946), (49, 7957112), (56, 6962473), (71, 5491528), (98, 3978556), (142, 2745764), (196, 1989278), (284, 1372882), (392, 994639), (497, 784504), (568, 686441), (994, 392252), (1988, 196126), (3479, 112072), (3976, 98063), (6958, 56036), (13916, 28018), (14009, 27832)]