28713978

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{743}}^1$

素因数の和:883

約数の個数: 48

約数和(自身を含む): 66156480

約数和(自身を除く): 37442502

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 113, 114, 171, 226, 339, 342, 678, 743, 1017, 1486, 2034, 2147, 2229, 4294, 4458, 6441, 6687, 12882, 13374, 14117, 19323, 28234, 38646, 42351, 83959, 84702, 127053, 167918, 251877, 254106, 503754, 755631, 1511262, 1595221, 3190442, 4785663, 9571326, 14356989, 28713978]

約数ペア:

[(1, 28713978), (2, 14356989), (3, 9571326), (6, 4785663), (9, 3190442), (18, 1595221), (19, 1511262), (38, 755631), (57, 503754), (113, 254106), (114, 251877), (171, 167918), (226, 127053), (339, 84702), (342, 83959), (678, 42351), (743, 38646), (1017, 28234), (1486, 19323), (2034, 14117), (2147, 13374), (2229, 12882), (4294, 6687), (4458, 6441)]