81806184

素因数分解:

$2^3\times 3^2\times {\mathrm{257}}^1\times {\mathrm{4421}}^1$

素因数の和:4690

約数の個数: 48

約数和(自身を含む): 222470820

約数和(自身を除く): 140664636

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 257, 514, 771, 1028, 1542, 2056, 2313, 3084, 4421, 4626, 6168, 8842, 9252, 13263, 17684, 18504, 26526, 35368, 39789, 53052, 79578, 106104, 159156, 318312, 1136197, 2272394, 3408591, 4544788, 6817182, 9089576, 10225773, 13634364, 20451546, 27268728, 40903092, 81806184]

約数ペア:

[(1, 81806184), (2, 40903092), (3, 27268728), (4, 20451546), (6, 13634364), (8, 10225773), (9, 9089576), (12, 6817182), (18, 4544788), (24, 3408591), (36, 2272394), (72, 1136197), (257, 318312), (514, 159156), (771, 106104), (1028, 79578), (1542, 53052), (2056, 39789), (2313, 35368), (3084, 26526), (4421, 18504), (4626, 17684), (6168, 13263), (8842, 9252)]