28255161712

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{947}}^1\times {\mathrm{2551}}^1$

素因数の和:3566

約数の個数: 80

約数和(自身を含む): 59398555392

約数和(自身を除く): 31143393680

約数列:

[1, 2, 4, 8, 16, 17, 34, 43, 68, 86, 136, 172, 272, 344, 688, 731, 947, 1462, 1894, 2551, 2924, 3788, 5102, 5848, 7576, 10204, 11696, 15152, 16099, 20408, 32198, 40721, 40816, 43367, 64396, 81442, 86734, 109693, 128792, 162884, 173468, 219386, 257584, 325768, 346936, 438772, 651536, 692257, 693872, 877544, 1384514, 1755088, 1864781, 2415797, 2769028, 3729562, 4831594, 5538056, 7459124, 9663188, 11076112, 14918248, 19326376, 29836496, 38652752, 41068549, 82137098, 103879271, 164274196, 207758542, 328548392, 415517084, 657096784, 831034168, 1662068336, 1765947607, 3531895214, 7063790428, 14127580856, 28255161712]

約数ペア:

[(1, 28255161712), (2, 14127580856), (4, 7063790428), (8, 3531895214), (16, 1765947607), (17, 1662068336), (34, 831034168), (43, 657096784), (68, 415517084), (86, 328548392), (136, 207758542), (172, 164274196), (272, 103879271), (344, 82137098), (688, 41068549), (731, 38652752), (947, 29836496), (1462, 19326376), (1894, 14918248), (2551, 11076112), (2924, 9663188), (3788, 7459124), (5102, 5538056), (5848, 4831594), (7576, 3729562), (10204, 2769028), (11696, 2415797), (15152, 1864781), (16099, 1755088), (20408, 1384514), (32198, 877544), (40721, 693872), (40816, 692257), (43367, 651536), (64396, 438772), (81442, 346936), (86734, 325768), (109693, 257584), (128792, 219386), (162884, 173468)]