28904029

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 38817792

約数和(自身を除く): 9913763

約数列:

[1, 7, 11, 17, 71, 77, 119, 187, 311, 497, 781, 1207, 1309, 2177, 3421, 5287, 5467, 8449, 13277, 22081, 23947, 37009, 58157, 92939, 154567, 242891, 375377, 407099, 1700237, 2627639, 4129147, 28904029]

約数ペア:

[(1, 28904029), (7, 4129147), (11, 2627639), (17, 1700237), (71, 407099), (77, 375377), (119, 242891), (187, 154567), (311, 92939), (497, 58157), (781, 37009), (1207, 23947), (1309, 22081), (2177, 13277), (3421, 8449), (5287, 5467)]