668239838

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2075279}}^1$

素因数の和:2075311

約数の個数: 16

約数和(自身を含む): 1195361280

約数和(自身を除く): 527121442

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 2075279, 4150558, 14526953, 29053906, 47731417, 95462834, 334119919, 668239838]

約数ペア:

[(1, 668239838), (2, 334119919), (7, 95462834), (14, 47731417), (23, 29053906), (46, 14526953), (161, 4150558), (322, 2075279)]