217339759

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{829}}^1$

素因数の和:959

約数の個数: 32

約数和(自身を含む): 278136320

約数和(自身を除く): 60796561

約数列:

[1, 7, 13, 43, 67, 91, 301, 469, 559, 829, 871, 2881, 3913, 5803, 6097, 10777, 20167, 35647, 37453, 55543, 75439, 249529, 262171, 388801, 463411, 722059, 2388349, 3243877, 5054413, 16718443, 31048537, 217339759]

約数ペア:

[(1, 217339759), (7, 31048537), (13, 16718443), (43, 5054413), (67, 3243877), (91, 2388349), (301, 722059), (469, 463411), (559, 388801), (829, 262171), (871, 249529), (2881, 75439), (3913, 55543), (5803, 37453), (6097, 35647), (10777, 20167)]