28666568

素因数分解:

$2^3\times 7^3\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 64896000

約数和(自身を除く): 36229432

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 217, 248, 337, 343, 392, 434, 674, 686, 868, 1348, 1372, 1519, 1736, 2359, 2696, 2744, 3038, 4718, 6076, 9436, 10447, 10633, 12152, 16513, 18872, 20894, 21266, 33026, 41788, 42532, 66052, 73129, 83576, 85064, 115591, 132104, 146258, 231182, 292516, 462364, 511903, 585032, 924728, 1023806, 2047612, 3583321, 4095224, 7166642, 14333284, 28666568]

約数ペア:

[(1, 28666568), (2, 14333284), (4, 7166642), (7, 4095224), (8, 3583321), (14, 2047612), (28, 1023806), (31, 924728), (49, 585032), (56, 511903), (62, 462364), (98, 292516), (124, 231182), (196, 146258), (217, 132104), (248, 115591), (337, 85064), (343, 83576), (392, 73129), (434, 66052), (674, 42532), (686, 41788), (868, 33026), (1348, 21266), (1372, 20894), (1519, 18872), (1736, 16513), (2359, 12152), (2696, 10633), (2744, 10447), (3038, 9436), (4718, 6076)]