85831486

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{313}}^1$

素因数の和:580

約数の個数: 32

約数和(自身を含む): 142430400

約数和(自身を除く): 56598914

約数列:

[1, 2, 13, 26, 53, 106, 199, 313, 398, 626, 689, 1378, 2587, 4069, 5174, 8138, 10547, 16589, 21094, 33178, 62287, 124574, 137111, 215657, 274222, 431314, 809731, 1619462, 3301211, 6602422, 42915743, 85831486]

約数ペア:

[(1, 85831486), (2, 42915743), (13, 6602422), (26, 3301211), (53, 1619462), (106, 809731), (199, 431314), (313, 274222), (398, 215657), (626, 137111), (689, 124574), (1378, 62287), (2587, 33178), (4069, 21094), (5174, 16589), (8138, 10547)]