138720967

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{41897}}^1$

素因数の和:41958

約数の個数: 16

約数和(自身を含む): 176977152

約数和(自身を除く): 38256185

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 41897, 293279, 460867, 1801571, 3226069, 12610997, 19817281, 138720967]

約数ペア:

[(1, 138720967), (7, 19817281), (11, 12610997), (43, 3226069), (77, 1801571), (301, 460867), (473, 293279), (3311, 41897)]