28784238

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{685339}}^1$

素因数の和:685351

約数の個数: 16

約数和(自身を含む): 65792640

約数和(自身を除く): 37008402

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 685339, 1370678, 2056017, 4112034, 4797373, 9594746, 14392119, 28784238]

約数ペア:

[(1, 28784238), (2, 14392119), (3, 9594746), (6, 4797373), (7, 4112034), (14, 2056017), (21, 1370678), (42, 685339)]