51857939

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{18947}}^1$

素因数の和:18994

約数の個数: 16

約数和(自身を含む): 65484288

約数和(自身を除く): 13626349

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 18947, 132629, 322099, 435781, 2254693, 3050467, 7408277, 51857939]

約数ペア:

[(1, 51857939), (7, 7408277), (17, 3050467), (23, 2254693), (119, 435781), (161, 322099), (391, 132629), (2737, 18947)]