77779966

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{881}}^1\times {\mathrm{4013}}^1$

素因数の和:4907

約数の個数: 16

約数和(自身を含む): 127452528

約数和(自身を除く): 49672562

約数列:

[1, 2, 11, 22, 881, 1762, 4013, 8026, 9691, 19382, 44143, 88286, 3535453, 7070906, 38889983, 77779966]

約数ペア:

[(1, 77779966), (2, 38889983), (11, 7070906), (22, 3535453), (881, 88286), (1762, 44143), (4013, 19382), (8026, 9691)]