251163991

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{6637}}^1$

素因数の和:6762

約数の個数: 16

約数和(自身を含む): 281026368

約数和(自身を除く): 29862377

約数列:

[1, 13, 41, 71, 533, 923, 2911, 6637, 37843, 86281, 272117, 471227, 3537521, 6125951, 19320307, 251163991]

約数ペア:

[(1, 251163991), (13, 19320307), (41, 6125951), (71, 3537521), (533, 471227), (923, 272117), (2911, 86281), (6637, 37843)]