209954628

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{2971}}^1$

素因数の和:3145

約数の個数: 72

約数和(自身を含む): 575521856

約数和(自身を除く): 365567228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 151, 156, 234, 302, 453, 468, 604, 906, 1359, 1812, 1963, 2718, 2971, 3926, 5436, 5889, 5942, 7852, 8913, 11778, 11884, 17667, 17826, 23556, 26739, 35334, 35652, 38623, 53478, 70668, 77246, 106956, 115869, 154492, 231738, 347607, 448621, 463476, 695214, 897242, 1345863, 1390428, 1794484, 2691726, 4037589, 5383452, 5832073, 8075178, 11664146, 16150356, 17496219, 23328292, 34992438, 52488657, 69984876, 104977314, 209954628]

約数ペア:

[(1, 209954628), (2, 104977314), (3, 69984876), (4, 52488657), (6, 34992438), (9, 23328292), (12, 17496219), (13, 16150356), (18, 11664146), (26, 8075178), (36, 5832073), (39, 5383452), (52, 4037589), (78, 2691726), (117, 1794484), (151, 1390428), (156, 1345863), (234, 897242), (302, 695214), (453, 463476), (468, 448621), (604, 347607), (906, 231738), (1359, 154492), (1812, 115869), (1963, 106956), (2718, 77246), (2971, 70668), (3926, 53478), (5436, 38623), (5889, 35652), (5942, 35334), (7852, 26739), (8913, 23556), (11778, 17826), (11884, 17667)]