28381892

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2143}}^1$

素因数の和:2208

約数の個数: 48

約数和(自身を含む): 63393792

約数和(自身を除く): 35011900

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 77, 86, 154, 172, 301, 308, 473, 602, 946, 1204, 1892, 2143, 3311, 4286, 6622, 8572, 13244, 15001, 23573, 30002, 47146, 60004, 92149, 94292, 165011, 184298, 330022, 368596, 645043, 660044, 1013639, 1290086, 2027278, 2580172, 4054556, 7095473, 14190946, 28381892]

約数ペア:

[(1, 28381892), (2, 14190946), (4, 7095473), (7, 4054556), (11, 2580172), (14, 2027278), (22, 1290086), (28, 1013639), (43, 660044), (44, 645043), (77, 368596), (86, 330022), (154, 184298), (172, 165011), (301, 94292), (308, 92149), (473, 60004), (602, 47146), (946, 30002), (1204, 23573), (1892, 15001), (2143, 13244), (3311, 8572), (4286, 6622)]