66757535

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:627

約数の個数: 24

約数和(自身を含む): 87400800

約数和(自身を除く): 20643265

約数列:

[1, 5, 13, 65, 169, 199, 397, 845, 995, 1985, 2587, 5161, 12935, 25805, 33631, 67093, 79003, 168155, 335465, 395015, 1027039, 5135195, 13351507, 66757535]

約数ペア:

[(1, 66757535), (5, 13351507), (13, 5135195), (65, 1027039), (169, 395015), (199, 335465), (397, 168155), (845, 79003), (995, 67093), (1985, 33631), (2587, 25805), (5161, 12935)]