51672257

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1409}}^1$

素因数の和:1473

約数の個数: 24

約数和(自身を含む): 66055680

約数和(自身を除く): 14383423

約数列:

[1, 7, 13, 31, 91, 169, 217, 403, 1183, 1409, 2821, 5239, 9863, 18317, 36673, 43679, 128219, 238121, 305753, 567827, 1666847, 3974789, 7381751, 51672257]

約数ペア:

[(1, 51672257), (7, 7381751), (13, 3974789), (31, 1666847), (91, 567827), (169, 305753), (217, 238121), (403, 128219), (1183, 43679), (1409, 36673), (2821, 18317), (5239, 9863)]