991725.0000000

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 6899200

約数和(自身を除く): 3784452

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 52, 86, 91, 172, 182, 199, 301, 364, 398, 559, 602, 796, 1118, 1204, 1393, 2236, 2587, 2786, 3913, 5174, 5572, 7826, 8557, 10348, 15652, 17114, 18109, 34228, 36218, 59899, 72436, 111241, 119798, 222482, 239596, 444964, 778687, 1557374, 3114748]

約数ペア:

[(1, 3114748), (2, 1557374), (4, 778687), (7, 444964), (13, 239596), (14, 222482), (26, 119798), (28, 111241), (43, 72436), (52, 59899), (86, 36218), (91, 34228), (172, 18109), (182, 17114), (199, 15652), (301, 10348), (364, 8557), (398, 7826), (559, 5572), (602, 5174), (796, 3913), (1118, 2786), (1204, 2587), (1393, 2236)]