221967424

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:420

約数の個数: 112

約数和(自身を含む): 537667200

約数和(自身を除く): 315699776

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 89, 112, 133, 152, 178, 224, 266, 293, 304, 356, 448, 532, 586, 608, 623, 712, 1064, 1172, 1216, 1246, 1424, 1691, 2051, 2128, 2344, 2492, 2848, 3382, 4102, 4256, 4688, 4984, 5567, 5696, 6764, 8204, 8512, 9376, 9968, 11134, 11837, 13528, 16408, 18752, 19936, 22268, 23674, 26077, 27056, 32816, 38969, 39872, 44536, 47348, 52154, 54112, 65632, 77938, 89072, 94696, 104308, 108224, 131264, 155876, 178144, 182539, 189392, 208616, 311752, 356288, 365078, 378784, 417232, 495463, 623504, 730156, 757568, 834464, 990926, 1247008, 1460312, 1668928, 1981852, 2494016, 2920624, 3468241, 3963704, 5841248, 6936482, 7927408, 11682496, 13872964, 15854816, 27745928, 31709632, 55491856, 110983712, 221967424]

約数ペア:

[(1, 221967424), (2, 110983712), (4, 55491856), (7, 31709632), (8, 27745928), (14, 15854816), (16, 13872964), (19, 11682496), (28, 7927408), (32, 6936482), (38, 5841248), (56, 3963704), (64, 3468241), (76, 2920624), (89, 2494016), (112, 1981852), (133, 1668928), (152, 1460312), (178, 1247008), (224, 990926), (266, 834464), (293, 757568), (304, 730156), (356, 623504), (448, 495463), (532, 417232), (586, 378784), (608, 365078), (623, 356288), (712, 311752), (1064, 208616), (1172, 189392), (1216, 182539), (1246, 178144), (1424, 155876), (1691, 131264), (2051, 108224), (2128, 104308), (2344, 94696), (2492, 89072), (2848, 77938), (3382, 65632), (4102, 54112), (4256, 52154), (4688, 47348), (4984, 44536), (5567, 39872), (5696, 38969), (6764, 32816), (8204, 27056), (8512, 26077), (9376, 23674), (9968, 22268), (11134, 19936), (11837, 18752), (13528, 16408)]