202131605

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{5563}}^1$

素因数の和:5637

約数の個数: 24

約数和(自身を含む): 268807968

約数和(自身を除く): 66676363

約数列:

[1, 5, 13, 43, 65, 169, 215, 559, 845, 2795, 5563, 7267, 27815, 36335, 72319, 239209, 361595, 940147, 1196045, 3109717, 4700735, 15548585, 40426321, 202131605]

約数ペア:

[(1, 202131605), (5, 40426321), (13, 15548585), (43, 4700735), (65, 3109717), (169, 1196045), (215, 940147), (559, 361595), (845, 239209), (2795, 72319), (5563, 36335), (7267, 27815)]