398745226

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1\times {\mathrm{1091}}^1$

素因数の和:1590

約数の個数: 32

約数和(自身を含む): 672235200

約数和(自身を除く): 273489974

約数列:

[1, 2, 11, 22, 37, 74, 407, 449, 814, 898, 1091, 2182, 4939, 9878, 12001, 16613, 24002, 33226, 40367, 80734, 182743, 365486, 444037, 489859, 888074, 979718, 5388449, 10776898, 18124783, 36249566, 199372613, 398745226]

約数ペア:

[(1, 398745226), (2, 199372613), (11, 36249566), (22, 18124783), (37, 10776898), (74, 5388449), (407, 979718), (449, 888074), (814, 489859), (898, 444037), (1091, 365486), (2182, 182743), (4939, 80734), (9878, 40367), (12001, 33226), (16613, 24002)]