217778834

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{859}}^1$

素因数の和:1087

約数の個数: 48

約数和(自身を含む): 411768000

約数和(自身を除く): 193989166

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 199, 398, 637, 859, 1274, 1393, 1718, 2587, 2786, 5174, 6013, 9751, 11167, 12026, 18109, 19502, 22334, 36218, 42091, 78169, 84182, 126763, 156338, 170941, 253526, 341882, 547183, 1094366, 1196587, 2222233, 2393174, 4444466, 8376109, 15555631, 16752218, 31111262, 108889417, 217778834]

約数ペア:

[(1, 217778834), (2, 108889417), (7, 31111262), (13, 16752218), (14, 15555631), (26, 8376109), (49, 4444466), (91, 2393174), (98, 2222233), (182, 1196587), (199, 1094366), (398, 547183), (637, 341882), (859, 253526), (1274, 170941), (1393, 156338), (1718, 126763), (2587, 84182), (2786, 78169), (5174, 42091), (6013, 36218), (9751, 22334), (11167, 19502), (12026, 18109)]