80969252

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 178561152

約数和(自身を除く): 97591900

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 71, 91, 142, 169, 182, 241, 284, 338, 364, 482, 497, 676, 923, 964, 994, 1183, 1687, 1846, 1988, 2366, 3133, 3374, 3692, 4732, 6266, 6461, 6748, 11999, 12532, 12922, 17111, 21931, 23998, 25844, 34222, 40729, 43862, 47996, 68444, 81458, 83993, 87724, 119777, 162916, 167986, 222443, 239554, 285103, 335972, 444886, 479108, 570206, 889772, 1140412, 1557101, 2891759, 3114202, 5783518, 6228404, 11567036, 20242313, 40484626, 80969252]

約数ペア:

[(1, 80969252), (2, 40484626), (4, 20242313), (7, 11567036), (13, 6228404), (14, 5783518), (26, 3114202), (28, 2891759), (52, 1557101), (71, 1140412), (91, 889772), (142, 570206), (169, 479108), (182, 444886), (241, 335972), (284, 285103), (338, 239554), (364, 222443), (482, 167986), (497, 162916), (676, 119777), (923, 87724), (964, 83993), (994, 81458), (1183, 68444), (1687, 47996), (1846, 43862), (1988, 40729), (2366, 34222), (3133, 25844), (3374, 23998), (3692, 21931), (4732, 17111), (6266, 12922), (6461, 12532), (6748, 11999)]