161003458

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{523}}^1\times {\mathrm{1999}}^1$

素因数の和:2542

約数の個数: 32

約数和(自身を含む): 301824000

約数和(自身を除く): 140820542

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 523, 1046, 1999, 3661, 3998, 5753, 7322, 11506, 13993, 21989, 27986, 40271, 43978, 80542, 153923, 307846, 1045477, 2090954, 7318339, 11500247, 14636678, 23000494, 80501729, 161003458]

約数ペア:

[(1, 161003458), (2, 80501729), (7, 23000494), (11, 14636678), (14, 11500247), (22, 7318339), (77, 2090954), (154, 1045477), (523, 307846), (1046, 153923), (1999, 80542), (3661, 43978), (3998, 40271), (5753, 27986), (7322, 21989), (11506, 13993)]