655996964

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{6389}}^1$

素因数の和:6612

約数の個数: 48

約数和(自身を含む): 1388419200

約数和(自身を除く): 732422236

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 193, 266, 386, 532, 772, 1351, 2702, 3667, 5404, 6389, 7334, 12778, 14668, 25556, 25669, 44723, 51338, 89446, 102676, 121391, 178892, 242782, 485564, 849737, 1233077, 1699474, 2466154, 3398948, 4932308, 8631539, 17263078, 23428463, 34526156, 46856926, 93713852, 163999241, 327998482, 655996964]

約数ペア:

[(1, 655996964), (2, 327998482), (4, 163999241), (7, 93713852), (14, 46856926), (19, 34526156), (28, 23428463), (38, 17263078), (76, 8631539), (133, 4932308), (193, 3398948), (266, 2466154), (386, 1699474), (532, 1233077), (772, 849737), (1351, 485564), (2702, 242782), (3667, 178892), (5404, 121391), (6389, 102676), (7334, 89446), (12778, 51338), (14668, 44723), (25556, 25669)]