6647284

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5521}}^1$

素因数の和:5575

約数の個数: 24

約数和(自身を含む): 13606208

約数和(自身を除く): 6958924

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 5521, 11042, 22084, 38647, 77294, 154588, 237403, 474806, 949612, 1661821, 3323642, 6647284]

約数ペア:

[(1, 6647284), (2, 3323642), (4, 1661821), (7, 949612), (14, 474806), (28, 237403), (43, 154588), (86, 77294), (172, 38647), (301, 22084), (602, 11042), (1204, 5521)]