198108575

素因数分解:

$5^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{4987}}^1$

素因数の和:5231

約数の個数: 24

約数和(自身を含む): 282041472

約数和(自身を除く): 83932897

約数列:

[1, 5, 7, 25, 35, 175, 227, 1135, 1589, 4987, 5675, 7945, 24935, 34909, 39725, 124675, 174545, 872725, 1132049, 5660245, 7924343, 28301225, 39621715, 198108575]

約数ペア:

[(1, 198108575), (5, 39621715), (7, 28301225), (25, 7924343), (35, 5660245), (175, 1132049), (227, 872725), (1135, 174545), (1589, 124675), (4987, 39725), (5675, 34909), (7945, 24935)]