28022782

素因数分解:

$2^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:771

約数の個数: 16

約数和(自身を含む): 42588000

約数和(自身を除く): 14565218

約数列:

[1, 2, 181, 199, 362, 389, 398, 778, 36019, 70409, 72038, 77411, 140818, 154822, 14011391, 28022782]

約数ペア:

[(1, 28022782), (2, 14011391), (181, 154822), (199, 140818), (362, 77411), (389, 72038), (398, 70409), (778, 36019)]