25761515

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{709}}^1$

素因数の和:783

約数の個数: 24

約数和(自身を含む): 34301520

約数和(自身を除く): 8540005

約数列:

[1, 5, 13, 43, 65, 169, 215, 559, 709, 845, 2795, 3545, 7267, 9217, 30487, 36335, 46085, 119821, 152435, 396331, 599105, 1981655, 5152303, 25761515]

約数ペア:

[(1, 25761515), (5, 5152303), (13, 1981655), (43, 599105), (65, 396331), (169, 152435), (215, 119821), (559, 46085), (709, 36335), (845, 30487), (2795, 9217), (3545, 7267)]