1277821435

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1\times {\mathrm{971}}^1$

素因数の和:1395

約数の個数: 32

約数和(自身を含む): 1703130624

約数和(自身を除く): 425309189

約数列:

[1, 5, 11, 55, 71, 337, 355, 781, 971, 1685, 3707, 3905, 4855, 10681, 18535, 23927, 53405, 68941, 119635, 263197, 327227, 344705, 758351, 1315985, 1636135, 3599497, 3791755, 17997485, 23233117, 116165585, 255564287, 1277821435]

約数ペア:

[(1, 1277821435), (5, 255564287), (11, 116165585), (55, 23233117), (71, 17997485), (337, 3791755), (355, 3599497), (781, 1636135), (971, 1315985), (1685, 758351), (3707, 344705), (3905, 327227), (4855, 263197), (10681, 119635), (18535, 68941), (23927, 53405)]