128968903

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 161763840

約数和(自身を除く): 32794937

約数列:

[1, 7, 19, 41, 67, 133, 287, 353, 469, 779, 1273, 2471, 2747, 5453, 6707, 8911, 14473, 19229, 23651, 46949, 52193, 101311, 165557, 274987, 365351, 449369, 969691, 1924909, 3145583, 6787837, 18424129, 128968903]

約数ペア:

[(1, 128968903), (7, 18424129), (19, 6787837), (41, 3145583), (67, 1924909), (133, 969691), (287, 449369), (353, 365351), (469, 274987), (779, 165557), (1273, 101311), (2471, 52193), (2747, 46949), (5453, 23651), (6707, 19229), (8911, 14473)]