279017984

素因数分解:

$2^9\times 7^1\times {\mathrm{127}}^1\times {\mathrm{613}}^1$

素因数の和:765

約数の個数: 80

約数和(自身を含む): 643196928

約数和(自身を除く): 364178944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 127, 128, 224, 254, 256, 448, 508, 512, 613, 889, 896, 1016, 1226, 1778, 1792, 2032, 2452, 3556, 3584, 4064, 4291, 4904, 7112, 8128, 8582, 9808, 14224, 16256, 17164, 19616, 28448, 32512, 34328, 39232, 56896, 65024, 68656, 77851, 78464, 113792, 137312, 155702, 156928, 227584, 274624, 311404, 313856, 455168, 544957, 549248, 622808, 1089914, 1098496, 1245616, 2179828, 2196992, 2491232, 4359656, 4982464, 8719312, 9964928, 17438624, 19929856, 34877248, 39859712, 69754496, 139508992, 279017984]

約数ペア:

[(1, 279017984), (2, 139508992), (4, 69754496), (7, 39859712), (8, 34877248), (14, 19929856), (16, 17438624), (28, 9964928), (32, 8719312), (56, 4982464), (64, 4359656), (112, 2491232), (127, 2196992), (128, 2179828), (224, 1245616), (254, 1098496), (256, 1089914), (448, 622808), (508, 549248), (512, 544957), (613, 455168), (889, 313856), (896, 311404), (1016, 274624), (1226, 227584), (1778, 156928), (1792, 155702), (2032, 137312), (2452, 113792), (3556, 78464), (3584, 77851), (4064, 68656), (4291, 65024), (4904, 56896), (7112, 39232), (8128, 34328), (8582, 32512), (9808, 28448), (14224, 19616), (16256, 17164)]