78795717

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1381}}^1$

素因数の和:1434

約数の個数: 64

約数和(自身を含む): 148592640

約数和(自身を除く): 69796923

約数列:

[1, 3, 7, 11, 13, 19, 21, 33, 39, 57, 77, 91, 133, 143, 209, 231, 247, 273, 399, 429, 627, 741, 1001, 1381, 1463, 1729, 2717, 3003, 4143, 4389, 5187, 8151, 9667, 15191, 17953, 19019, 26239, 29001, 45573, 53859, 57057, 78717, 106337, 125671, 183673, 197483, 288629, 319011, 341107, 377013, 551019, 592449, 865887, 1023321, 1382381, 2020403, 2387749, 3752177, 4147143, 6061209, 7163247, 11256531, 26265239, 78795717]

約数ペア:

[(1, 78795717), (3, 26265239), (7, 11256531), (11, 7163247), (13, 6061209), (19, 4147143), (21, 3752177), (33, 2387749), (39, 2020403), (57, 1382381), (77, 1023321), (91, 865887), (133, 592449), (143, 551019), (209, 377013), (231, 341107), (247, 319011), (273, 288629), (399, 197483), (429, 183673), (627, 125671), (741, 106337), (1001, 78717), (1381, 57057), (1463, 53859), (1729, 45573), (2717, 29001), (3003, 26239), (4143, 19019), (4389, 17953), (5187, 15191), (8151, 9667)]