28521432

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{20849}}^1$

素因数の和:20880

約数の個数: 48

約数和(自身を含む): 81315000

約数和(自身を除く): 52793568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 20849, 41698, 62547, 83396, 125094, 166792, 187641, 250188, 375282, 396131, 500376, 750564, 792262, 1188393, 1501128, 1584524, 2376786, 3169048, 3565179, 4753572, 7130358, 9507144, 14260716, 28521432]

約数ペア:

[(1, 28521432), (2, 14260716), (3, 9507144), (4, 7130358), (6, 4753572), (8, 3565179), (9, 3169048), (12, 2376786), (18, 1584524), (19, 1501128), (24, 1188393), (36, 792262), (38, 750564), (57, 500376), (72, 396131), (76, 375282), (114, 250188), (152, 187641), (171, 166792), (228, 125094), (342, 83396), (456, 62547), (684, 41698), (1368, 20849)]