520019988

素因数分解:

$2^2\times 3^1\times {\mathrm{2663}}^1\times {\mathrm{16273}}^1$

素因数の和:18943

約数の個数: 24

約数和(自身を含む): 1213910208

約数和(自身を除く): 693890220

約数列:

[1, 2, 3, 4, 6, 12, 2663, 5326, 7989, 10652, 15978, 16273, 31956, 32546, 48819, 65092, 97638, 195276, 43334999, 86669998, 130004997, 173339996, 260009994, 520019988]

約数ペア:

[(1, 520019988), (2, 260009994), (3, 173339996), (4, 130004997), (6, 86669998), (12, 43334999), (2663, 195276), (5326, 97638), (7989, 65092), (10652, 48819), (15978, 32546), (16273, 31956)]