28368538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{21139}}^1$

素因数の和:21213

約数の個数: 16

約数和(自身を含む): 47184480

約数和(自身を除く): 18815942

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 21139, 42278, 232529, 465058, 1289479, 2578958, 14184269, 28368538]

約数ペア:

[(1, 28368538), (2, 14184269), (11, 2578958), (22, 1289479), (61, 465058), (122, 232529), (671, 42278), (1342, 21139)]