81796148

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1657}}^1$

素因数の和:1752

約数の個数: 48

約数和(自身を含む): 171583104

約数和(自身を除く): 89786956

約数列:

[1, 2, 4, 7, 14, 28, 41, 43, 82, 86, 164, 172, 287, 301, 574, 602, 1148, 1204, 1657, 1763, 3314, 3526, 6628, 7052, 11599, 12341, 23198, 24682, 46396, 49364, 67937, 71251, 135874, 142502, 271748, 285004, 475559, 498757, 951118, 997514, 1902236, 1995028, 2921291, 5842582, 11685164, 20449037, 40898074, 81796148]

約数ペア:

[(1, 81796148), (2, 40898074), (4, 20449037), (7, 11685164), (14, 5842582), (28, 2921291), (41, 1995028), (43, 1902236), (82, 997514), (86, 951118), (164, 498757), (172, 475559), (287, 285004), (301, 271748), (574, 142502), (602, 135874), (1148, 71251), (1204, 67937), (1657, 49364), (1763, 46396), (3314, 24682), (3526, 23198), (6628, 12341), (7052, 11599)]