4890004

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:488

約数の個数: 36

約数和(自身を含む): 10142580

約数和(自身を除く): 5252576

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 196, 244, 409, 427, 818, 854, 1636, 1708, 2863, 2989, 5726, 5978, 11452, 11956, 20041, 24949, 40082, 49898, 80164, 99796, 174643, 349286, 698572, 1222501, 2445002, 4890004]

約数ペア:

[(1, 4890004), (2, 2445002), (4, 1222501), (7, 698572), (14, 349286), (28, 174643), (49, 99796), (61, 80164), (98, 49898), (122, 40082), (196, 24949), (244, 20041), (409, 11956), (427, 11452), (818, 5978), (854, 5726), (1636, 2989), (1708, 2863)]