338603332

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1997}}^1$

素因数の和:2140

約数の個数: 48

約数和(自身を含む): 657901440

約数和(自身を除く): 319298108

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 97, 194, 388, 437, 874, 1748, 1843, 1997, 2231, 3686, 3994, 4462, 7372, 7988, 8924, 37943, 42389, 45931, 75886, 84778, 91862, 151772, 169556, 183724, 193709, 387418, 774836, 872689, 1745378, 3490756, 3680471, 4455307, 7360942, 8910614, 14721884, 17821228, 84650833, 169301666, 338603332]

約数ペア:

[(1, 338603332), (2, 169301666), (4, 84650833), (19, 17821228), (23, 14721884), (38, 8910614), (46, 7360942), (76, 4455307), (92, 3680471), (97, 3490756), (194, 1745378), (388, 872689), (437, 774836), (874, 387418), (1748, 193709), (1843, 183724), (1997, 169556), (2231, 151772), (3686, 91862), (3994, 84778), (4462, 75886), (7372, 45931), (7988, 42389), (8924, 37943)]