261661518

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{4297}}^1$

素因数の和:4521

約数の個数: 48

約数和(自身を含む): 603439200

約数和(自身を除く): 341777682

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 199, 306, 398, 597, 1194, 1791, 3383, 3582, 4297, 6766, 8594, 10149, 12891, 20298, 25782, 30447, 38673, 60894, 73049, 77346, 146098, 219147, 438294, 657441, 855103, 1314882, 1710206, 2565309, 5130618, 7695927, 14536751, 15391854, 29073502, 43610253, 87220506, 130830759, 261661518]

約数ペア:

[(1, 261661518), (2, 130830759), (3, 87220506), (6, 43610253), (9, 29073502), (17, 15391854), (18, 14536751), (34, 7695927), (51, 5130618), (102, 2565309), (153, 1710206), (199, 1314882), (306, 855103), (398, 657441), (597, 438294), (1194, 219147), (1791, 146098), (3383, 77346), (3582, 73049), (4297, 60894), (6766, 38673), (8594, 30447), (10149, 25782), (12891, 20298)]