1285223513

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1\times {\mathrm{7321}}^1$

素因数の和:8168

約数の個数: 16

約数和(自身を含む): 1518289920

約数和(自身を除く): 233066407

約数列:

[1, 7, 31, 217, 809, 5663, 7321, 25079, 51247, 175553, 226951, 1588657, 5922689, 41458823, 183603359, 1285223513]

約数ペア:

[(1, 1285223513), (7, 183603359), (31, 41458823), (217, 5922689), (809, 1588657), (5663, 226951), (7321, 175553), (25079, 51247)]