28207018

素因数分解:

$2^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{20771}}^1$

素因数の和:20877

約数の個数: 16

約数和(自身を含む): 48855744

約数和(自身を除く): 20648726

約数列:

[1, 2, 7, 14, 97, 194, 679, 1358, 20771, 41542, 145397, 290794, 2014787, 4029574, 14103509, 28207018]

約数ペア:

[(1, 28207018), (2, 14103509), (7, 4029574), (14, 2014787), (97, 290794), (194, 145397), (679, 41542), (1358, 20771)]