311324754

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{647}}^1$

素因数の和:895

約数の個数: 64

約数和(自身を含む): 696729600

約数和(自身を除く): 385404846

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 199, 398, 403, 597, 647, 806, 1194, 1209, 1294, 1941, 2418, 2587, 3882, 5174, 6169, 7761, 8411, 12338, 15522, 16822, 18507, 20057, 25233, 37014, 40114, 50466, 60171, 80197, 120342, 128753, 160394, 240591, 257506, 260741, 386259, 481182, 521482, 772518, 782223, 1564446, 1673789, 3347578, 3991343, 5021367, 7982686, 10042734, 11974029, 23948058, 51887459, 103774918, 155662377, 311324754]

約数ペア:

[(1, 311324754), (2, 155662377), (3, 103774918), (6, 51887459), (13, 23948058), (26, 11974029), (31, 10042734), (39, 7982686), (62, 5021367), (78, 3991343), (93, 3347578), (186, 1673789), (199, 1564446), (398, 782223), (403, 772518), (597, 521482), (647, 481182), (806, 386259), (1194, 260741), (1209, 257506), (1294, 240591), (1941, 160394), (2418, 128753), (2587, 120342), (3882, 80197), (5174, 60171), (6169, 50466), (7761, 40114), (8411, 37014), (12338, 25233), (15522, 20057), (16822, 18507)]