47199815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 63504000

約数和(自身を除く): 16304185

約数列:

[1, 5, 13, 41, 65, 89, 199, 205, 445, 533, 995, 1157, 2587, 2665, 3649, 5785, 8159, 12935, 17711, 18245, 40795, 47437, 88555, 106067, 230243, 237185, 530335, 726151, 1151215, 3630755, 9439963, 47199815]

約数ペア:

[(1, 47199815), (5, 9439963), (13, 3630755), (41, 1151215), (65, 726151), (89, 530335), (199, 237185), (205, 230243), (445, 106067), (533, 88555), (995, 47437), (1157, 40795), (2587, 18245), (2665, 17711), (3649, 12935), (5785, 8159)]