71561959

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{16253}}^1$

素因数の和:16314

約数の個数: 16

約数和(自身を含む): 88941888

約数和(自身を除く): 17379929

約数列:

[1, 7, 17, 37, 119, 259, 629, 4403, 16253, 113771, 276301, 601361, 1934107, 4209527, 10223137, 71561959]

約数ペア:

[(1, 71561959), (7, 10223137), (17, 4209527), (37, 1934107), (119, 601361), (259, 276301), (629, 113771), (4403, 16253)]