199807531

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{7351}}^1$

素因数の和:7722

約数の個数: 16

約数和(自身を含む): 249850368

約数和(自身を除く): 50042837

約数列:

[1, 7, 11, 77, 353, 2471, 3883, 7351, 27181, 51457, 80861, 566027, 2594903, 18164321, 28543933, 199807531]

約数ペア:

[(1, 199807531), (7, 28543933), (11, 18164321), (77, 2594903), (353, 566027), (2471, 80861), (3883, 51457), (7351, 27181)]