194891645

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 272304000

約数和(自身を除く): 77412355

約数列:

[1, 5, 13, 19, 61, 65, 95, 169, 199, 247, 305, 793, 845, 995, 1159, 1235, 2587, 3211, 3781, 3965, 5795, 10309, 12139, 12935, 15067, 16055, 18905, 33631, 49153, 51545, 60695, 75335, 157807, 168155, 195871, 230641, 245765, 638989, 789035, 979355, 1153205, 2051491, 2998333, 3194945, 10257455, 14991665, 38978329, 194891645]

約数ペア:

[(1, 194891645), (5, 38978329), (13, 14991665), (19, 10257455), (61, 3194945), (65, 2998333), (95, 2051491), (169, 1153205), (199, 979355), (247, 789035), (305, 638989), (793, 245765), (845, 230641), (995, 195871), (1159, 168155), (1235, 157807), (2587, 75335), (3211, 60695), (3781, 51545), (3965, 49153), (5795, 33631), (10309, 18905), (12139, 16055), (12935, 15067)]