171887495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1361}}^1$

素因数の和:1475

約数の個数: 32

約数和(自身を含む): 233392320

約数和(自身を除く): 61504825

約数列:

[1, 5, 13, 29, 65, 67, 145, 335, 377, 871, 1361, 1885, 1943, 4355, 6805, 9715, 17693, 25259, 39469, 88465, 91187, 126295, 197345, 455935, 513097, 1185431, 2565485, 2644423, 5927155, 13222115, 34377499, 171887495]

約数ペア:

[(1, 171887495), (5, 34377499), (13, 13222115), (29, 5927155), (65, 2644423), (67, 2565485), (145, 1185431), (335, 513097), (377, 455935), (871, 197345), (1361, 126295), (1885, 91187), (1943, 88465), (4355, 39469), (6805, 25259), (9715, 17693)]