645093078

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{216329}}^1$

素因数の和:216412

約数の個数: 32

約数和(自身を含む): 1495272960

約数和(自身を除く): 850179882

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 216329, 432658, 648987, 1297974, 1514303, 3028606, 4542909, 9085818, 15359359, 30718718, 46078077, 92156154, 107515513, 215031026, 322546539, 645093078]

約数ペア:

[(1, 645093078), (2, 322546539), (3, 215031026), (6, 107515513), (7, 92156154), (14, 46078077), (21, 30718718), (42, 15359359), (71, 9085818), (142, 4542909), (213, 3028606), (426, 1514303), (497, 1297974), (994, 648987), (1491, 432658), (2982, 216329)]