8431184

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:387

約数の個数: 40

約数和(自身を含む): 17498880

約数和(自身を除く): 9067696

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 139, 223, 272, 278, 446, 556, 892, 1112, 1784, 2224, 2363, 3568, 3791, 4726, 7582, 9452, 15164, 18904, 30328, 30997, 37808, 60656, 61994, 123988, 247976, 495952, 526949, 1053898, 2107796, 4215592, 8431184]

約数ペア:

[(1, 8431184), (2, 4215592), (4, 2107796), (8, 1053898), (16, 526949), (17, 495952), (34, 247976), (68, 123988), (136, 61994), (139, 60656), (223, 37808), (272, 30997), (278, 30328), (446, 18904), (556, 15164), (892, 9452), (1112, 7582), (1784, 4726), (2224, 3791), (2363, 3568)]