28087178

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{64717}}^1$

素因数の和:64757

約数の個数: 16

約数和(自身を含む): 49703424

約数和(自身を除く): 21616246

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 64717, 129434, 453019, 906038, 2006227, 4012454, 14043589, 28087178]

約数ペア:

[(1, 28087178), (2, 14043589), (7, 4012454), (14, 2006227), (31, 906038), (62, 453019), (217, 129434), (434, 64717)]