209291216255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{223840873}}^1$

素因数の和:223840906

約数の個数: 16

約数和(自身を含む): 290097772704

約数和(自身を除く): 80806556449

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 223840873, 1119204365, 2462249603, 3805294841, 12311248015, 19026474205, 41858243251, 209291216255]

約数ペア:

[(1, 209291216255), (5, 41858243251), (11, 19026474205), (17, 12311248015), (55, 3805294841), (85, 2462249603), (187, 1119204365), (935, 223840873)]