25329978

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 57246696

約数和(自身を除く): 31916718

約数列:

[1, 2, 3, 6, 9, 18, 37, 73, 74, 111, 146, 219, 222, 333, 438, 521, 657, 666, 1042, 1314, 1563, 2701, 3126, 4689, 5402, 8103, 9378, 16206, 19277, 24309, 38033, 38554, 48618, 57831, 76066, 114099, 115662, 173493, 228198, 342297, 346986, 684594, 1407221, 2814442, 4221663, 8443326, 12664989, 25329978]

約数ペア:

[(1, 25329978), (2, 12664989), (3, 8443326), (6, 4221663), (9, 2814442), (18, 1407221), (37, 684594), (73, 346986), (74, 342297), (111, 228198), (146, 173493), (219, 115662), (222, 114099), (333, 76066), (438, 57831), (521, 48618), (657, 38554), (666, 38033), (1042, 24309), (1314, 19277), (1563, 16206), (2701, 9378), (3126, 8103), (4689, 5402)]