290468717

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{3877}}^1$

素因数の和:4041

約数の個数: 24

約数和(自身を含む): 371357280

約数和(自身を除く): 80888563

約数列:

[1, 7, 11, 49, 77, 139, 539, 973, 1529, 3877, 6811, 10703, 27139, 42647, 74921, 189973, 298529, 538903, 2089703, 3772321, 5927933, 26406247, 41495531, 290468717]

約数ペア:

[(1, 290468717), (7, 41495531), (11, 26406247), (49, 5927933), (77, 3772321), (139, 2089703), (539, 538903), (973, 298529), (1529, 189973), (3877, 74921), (6811, 42647), (10703, 27139)]