1990403716

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{441527}}^1$

素因数の和:441568

約数の個数: 36

約数和(自身を含む): 4228072128

約数和(自身を除く): 2237668412

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4508, 441527, 883054, 1766108, 3090689, 6181378, 10155121, 12362756, 20310242, 21634823, 40620484, 43269646, 71085847, 86539292, 142171694, 284343388, 497600929, 995201858, 1990403716]

約数ペア:

[(1, 1990403716), (2, 995201858), (4, 497600929), (7, 284343388), (14, 142171694), (23, 86539292), (28, 71085847), (46, 43269646), (49, 40620484), (92, 21634823), (98, 20310242), (161, 12362756), (196, 10155121), (322, 6181378), (644, 3090689), (1127, 1766108), (2254, 883054), (4508, 441527)]