28712894

素因数分解:

$2^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{8171}}^1$

素因数の和:8431

約数の個数: 16

約数和(自身を含む): 49424256

約数和(自身を除く): 20711362

約数列:

[1, 2, 7, 14, 251, 502, 1757, 3514, 8171, 16342, 57197, 114394, 2050921, 4101842, 14356447, 28712894]

約数ペア:

[(1, 28712894), (2, 14356447), (7, 4101842), (14, 2050921), (251, 114394), (502, 57197), (1757, 16342), (3514, 8171)]