28686742

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{70657}}^1$

素因数の和:70695

約数の個数: 16

約数和(自身を含む): 50873760

約数和(自身を除く): 22187018

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 70657, 141314, 494599, 989198, 2049053, 4098106, 14343371, 28686742]

約数ペア:

[(1, 28686742), (2, 14343371), (7, 4098106), (14, 2049053), (29, 989198), (58, 494599), (203, 141314), (406, 70657)]