16881284

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2003}}^1$

素因数の和:2064

約数の個数: 36

約数和(自身を含む): 35182224

約数和(自身を除く): 18300940

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 602, 1204, 2003, 2107, 4006, 4214, 8012, 8428, 14021, 28042, 56084, 86129, 98147, 172258, 196294, 344516, 392588, 602903, 1205806, 2411612, 4220321, 8440642, 16881284]

約数ペア:

[(1, 16881284), (2, 8440642), (4, 4220321), (7, 2411612), (14, 1205806), (28, 602903), (43, 392588), (49, 344516), (86, 196294), (98, 172258), (172, 98147), (196, 86129), (301, 56084), (602, 28042), (1204, 14021), (2003, 8428), (2107, 8012), (4006, 4214)]