491558984

素因数分解:

$2^3\times 7^2\times {\mathrm{61}}^2\times {\mathrm{337}}^1$

素因数の和:479

約数の個数: 72

約数和(自身を含む): 1093249170

約数和(自身を除く): 601690186

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 61, 98, 122, 196, 244, 337, 392, 427, 488, 674, 854, 1348, 1708, 2359, 2696, 2989, 3416, 3721, 4718, 5978, 7442, 9436, 11956, 14884, 16513, 18872, 20557, 23912, 26047, 29768, 33026, 41114, 52094, 66052, 82228, 104188, 132104, 143899, 164456, 182329, 208376, 287798, 364658, 575596, 729316, 1007293, 1151192, 1253977, 1458632, 2014586, 2507954, 4029172, 5015908, 8058344, 8777839, 10031816, 17555678, 35111356, 61444873, 70222712, 122889746, 245779492, 491558984]

約数ペア:

[(1, 491558984), (2, 245779492), (4, 122889746), (7, 70222712), (8, 61444873), (14, 35111356), (28, 17555678), (49, 10031816), (56, 8777839), (61, 8058344), (98, 5015908), (122, 4029172), (196, 2507954), (244, 2014586), (337, 1458632), (392, 1253977), (427, 1151192), (488, 1007293), (674, 729316), (854, 575596), (1348, 364658), (1708, 287798), (2359, 208376), (2696, 182329), (2989, 164456), (3416, 143899), (3721, 132104), (4718, 104188), (5978, 82228), (7442, 66052), (9436, 52094), (11956, 41114), (14884, 33026), (16513, 29768), (18872, 26047), (20557, 23912)]