28116886

素因数分解:

$2^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{2539}}^1$

素因数の和:2668

約数の個数: 24

約数和(自身を含む): 49514760

約数和(自身を除く): 21397874

約数列:

[1, 2, 7, 14, 49, 98, 113, 226, 791, 1582, 2539, 5078, 5537, 11074, 17773, 35546, 124411, 248822, 286907, 573814, 2008349, 4016698, 14058443, 28116886]

約数ペア:

[(1, 28116886), (2, 14058443), (7, 4016698), (14, 2008349), (49, 573814), (98, 286907), (113, 248822), (226, 124411), (791, 35546), (1582, 17773), (2539, 11074), (5078, 5537)]