280409206

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{24943}}^1$

素因数の和:25036

約数の個数: 32

約数和(自身を含む): 531606528

約数和(自身を除く): 251197322

約数列:

[1, 2, 7, 11, 14, 22, 73, 77, 146, 154, 511, 803, 1022, 1606, 5621, 11242, 24943, 49886, 174601, 274373, 349202, 548746, 1820839, 1920611, 3641678, 3841222, 12745873, 20029229, 25491746, 40058458, 140204603, 280409206]

約数ペア:

[(1, 280409206), (2, 140204603), (7, 40058458), (11, 25491746), (14, 20029229), (22, 12745873), (73, 3841222), (77, 3641678), (146, 1920611), (154, 1820839), (511, 548746), (803, 349202), (1022, 274373), (1606, 174601), (5621, 49886), (11242, 24943)]