278313564

素因数分解:

$2^2\times 3^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1\times {\mathrm{1321}}^1$

素因数の和:1606

約数の個数: 48

約数和(自身を含む): 660217376

約数和(自身を除く): 381903812

約数列:

[1, 2, 3, 4, 6, 12, 97, 181, 194, 291, 362, 388, 543, 582, 724, 1086, 1164, 1321, 2172, 2642, 3963, 5284, 7926, 15852, 17557, 35114, 52671, 70228, 105342, 128137, 210684, 239101, 256274, 384411, 478202, 512548, 717303, 768822, 956404, 1434606, 1537644, 2869212, 23192797, 46385594, 69578391, 92771188, 139156782, 278313564]

約数ペア:

[(1, 278313564), (2, 139156782), (3, 92771188), (4, 69578391), (6, 46385594), (12, 23192797), (97, 2869212), (181, 1537644), (194, 1434606), (291, 956404), (362, 768822), (388, 717303), (543, 512548), (582, 478202), (724, 384411), (1086, 256274), (1164, 239101), (1321, 210684), (2172, 128137), (2642, 105342), (3963, 70228), (5284, 52671), (7926, 35114), (15852, 17557)]