1288678912

素因数分解:

$2^9\times {\mathrm{521}}^1\times {\mathrm{4831}}^1$

素因数の和:5370

約数の個数: 40

約数和(自身を含む): 2580316992

約数和(自身を除く): 1291638080

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 521, 1042, 2084, 4168, 4831, 8336, 9662, 16672, 19324, 33344, 38648, 66688, 77296, 133376, 154592, 266752, 309184, 618368, 1236736, 2473472, 2516951, 5033902, 10067804, 20135608, 40271216, 80542432, 161084864, 322169728, 644339456, 1288678912]

約数ペア:

[(1, 1288678912), (2, 644339456), (4, 322169728), (8, 161084864), (16, 80542432), (32, 40271216), (64, 20135608), (128, 10067804), (256, 5033902), (512, 2516951), (521, 2473472), (1042, 1236736), (2084, 618368), (4168, 309184), (4831, 266752), (8336, 154592), (9662, 133376), (16672, 77296), (19324, 66688), (33344, 38648)]