219909907

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{5623}}^1$

素因数の和:5818

約数の個数: 16

約数和(自身を含む): 259873792

約数和(自身を除く): 39963885

約数列:

[1, 7, 37, 151, 259, 1057, 5587, 5623, 39109, 39361, 208051, 849073, 1456357, 5943511, 31415701, 219909907]

約数ペア:

[(1, 219909907), (7, 31415701), (37, 5943511), (151, 1456357), (259, 849073), (1057, 208051), (5587, 39361), (5623, 39109)]