689402

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2141}}^1$

素因数の和:2173

約数の個数: 16

約数和(自身を含む): 1233792

約数和(自身を除く): 544390

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 2141, 4282, 14987, 29974, 49243, 98486, 344701, 689402]

約数ペア:

[(1, 689402), (2, 344701), (7, 98486), (14, 49243), (23, 29974), (46, 14987), (161, 4282), (322, 2141)]