28757412

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{42043}}^1$

素因数の和:42072

約数の個数: 36

約数和(自身を含む): 76520080

約数和(自身を除く): 47762668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 42043, 84086, 126129, 168172, 252258, 378387, 504516, 756774, 798817, 1513548, 1597634, 2396451, 3195268, 4792902, 7189353, 9585804, 14378706, 28757412]

約数ペア:

[(1, 28757412), (2, 14378706), (3, 9585804), (4, 7189353), (6, 4792902), (9, 3195268), (12, 2396451), (18, 1597634), (19, 1513548), (36, 798817), (38, 756774), (57, 504516), (76, 378387), (114, 252258), (171, 168172), (228, 126129), (342, 84086), (684, 42043)]