1800000008

素因数分解:

$2^3\times {\mathrm{12433}}^1\times {\mathrm{18097}}^1$

素因数の和:30536

約数の個数: 16

約数和(自身を含む): 3375457980

約数和(自身を除く): 1575457972

約数列:

[1, 2, 4, 8, 12433, 18097, 24866, 36194, 49732, 72388, 99464, 144776, 225000001, 450000002, 900000004, 1800000008]

約数ペア:

[(1, 1800000008), (2, 900000004), (4, 450000002), (8, 225000001), (12433, 144776), (18097, 99464), (24866, 72388), (36194, 49732)]