1001225197

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{12781}}^1$

素因数の和:12857

約数の個数: 24

約数和(自身を含む): 1246705152

約数和(自身を除く): 245479955

約数列:

[1, 7, 19, 31, 133, 217, 361, 589, 2527, 4123, 11191, 12781, 78337, 89467, 242839, 396211, 1699873, 2773477, 4613941, 7528009, 32297587, 52696063, 143032171, 1001225197]

約数ペア:

[(1, 1001225197), (7, 143032171), (19, 52696063), (31, 32297587), (133, 7528009), (217, 4613941), (361, 2773477), (589, 1699873), (2527, 396211), (4123, 242839), (11191, 89467), (12781, 78337)]