257029205237

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{311}}^1\times {\mathrm{659}}^1\times {\mathrm{1847}}^1$

素因数の和:2921

約数の個数: 32

約数和(自身を含む): 298343485440

約数和(自身を除く): 41314280203

約数列:

[1, 7, 97, 311, 659, 679, 1847, 2177, 4613, 12929, 30167, 63923, 179159, 204949, 211169, 447461, 574417, 1217173, 1254113, 1434643, 4020919, 8520211, 19880053, 55718449, 118065781, 139160371, 378540803, 390029143, 826460467, 2649785621, 36718457891, 257029205237]

約数ペア:

[(1, 257029205237), (7, 36718457891), (97, 2649785621), (311, 826460467), (659, 390029143), (679, 378540803), (1847, 139160371), (2177, 118065781), (4613, 55718449), (12929, 19880053), (30167, 8520211), (63923, 4020919), (179159, 1434643), (204949, 1254113), (211169, 1217173), (447461, 574417)]