28011566

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{20873}}^1$

素因数の和:20947

約数の個数: 16

約数和(自身を含む): 46590768

約数和(自身を除く): 18579202

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 20873, 41746, 229603, 459206, 1273253, 2546506, 14005783, 28011566]

約数ペア:

[(1, 28011566), (2, 14005783), (11, 2546506), (22, 1273253), (61, 459206), (122, 229603), (671, 41746), (1342, 20873)]