28757944

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1381}}^1$

素因数の和:1543

約数の個数: 32

約数和(自身を含む): 57214800

約数和(自身を除く): 28456856

約数列:

[1, 2, 4, 8, 19, 38, 76, 137, 152, 274, 548, 1096, 1381, 2603, 2762, 5206, 5524, 10412, 11048, 20824, 26239, 52478, 104956, 189197, 209912, 378394, 756788, 1513576, 3594743, 7189486, 14378972, 28757944]

約数ペア:

[(1, 28757944), (2, 14378972), (4, 7189486), (8, 3594743), (19, 1513576), (38, 756788), (76, 378394), (137, 209912), (152, 189197), (274, 104956), (548, 52478), (1096, 26239), (1381, 20824), (2603, 11048), (2762, 10412), (5206, 5524)]