28257754

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{691}}^1$

素因数の和:850

約数の個数: 32

約数和(自身を含む): 51019776

約数和(自身を除く): 22762022

約数列:

[1, 2, 7, 14, 23, 46, 127, 161, 254, 322, 691, 889, 1382, 1778, 2921, 4837, 5842, 9674, 15893, 20447, 31786, 40894, 87757, 111251, 175514, 222502, 614299, 1228598, 2018411, 4036822, 14128877, 28257754]

約数ペア:

[(1, 28257754), (2, 14128877), (7, 4036822), (14, 2018411), (23, 1228598), (46, 614299), (127, 222502), (161, 175514), (254, 111251), (322, 87757), (691, 40894), (889, 31786), (1382, 20447), (1778, 15893), (2921, 9674), (4837, 5842)]