1668939987

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:604

約数の個数: 64

約数和(自身を含む): 2675635200

約数和(自身を除く): 1006695213

約数列:

[1, 3, 11, 13, 33, 39, 71, 143, 157, 213, 349, 429, 471, 781, 923, 1047, 1727, 2041, 2343, 2769, 3839, 4537, 5181, 6123, 10153, 11147, 11517, 13611, 22451, 24779, 30459, 33441, 49907, 54793, 67353, 74337, 122617, 144911, 149721, 164379, 272569, 322127, 367851, 434733, 602723, 712309, 817707, 966381, 1594021, 1808169, 2136927, 3543397, 3890303, 4782063, 7835399, 10630191, 11670909, 23506197, 42793333, 50573939, 128379999, 151721817, 556313329, 1668939987]

約数ペア:

[(1, 1668939987), (3, 556313329), (11, 151721817), (13, 128379999), (33, 50573939), (39, 42793333), (71, 23506197), (143, 11670909), (157, 10630191), (213, 7835399), (349, 4782063), (429, 3890303), (471, 3543397), (781, 2136927), (923, 1808169), (1047, 1594021), (1727, 966381), (2041, 817707), (2343, 712309), (2769, 602723), (3839, 434733), (4537, 367851), (5181, 322127), (6123, 272569), (10153, 164379), (11147, 149721), (11517, 144911), (13611, 122617), (22451, 74337), (24779, 67353), (30459, 54793), (33441, 49907)]