81777564

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{7121}}^1$

素因数の和:7171

約数の個数: 72

約数和(自身を含む): 233316720

約数和(自身を除く): 151539156

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 29, 33, 36, 44, 58, 66, 87, 99, 116, 132, 174, 198, 261, 319, 348, 396, 522, 638, 957, 1044, 1276, 1914, 2871, 3828, 5742, 7121, 11484, 14242, 21363, 28484, 42726, 64089, 78331, 85452, 128178, 156662, 206509, 234993, 256356, 313324, 413018, 469986, 619527, 704979, 826036, 939972, 1239054, 1409958, 1858581, 2271599, 2478108, 2819916, 3717162, 4543198, 6814797, 7434324, 9086396, 13629594, 20444391, 27259188, 40888782, 81777564]

約数ペア:

[(1, 81777564), (2, 40888782), (3, 27259188), (4, 20444391), (6, 13629594), (9, 9086396), (11, 7434324), (12, 6814797), (18, 4543198), (22, 3717162), (29, 2819916), (33, 2478108), (36, 2271599), (44, 1858581), (58, 1409958), (66, 1239054), (87, 939972), (99, 826036), (116, 704979), (132, 619527), (174, 469986), (198, 413018), (261, 313324), (319, 256356), (348, 234993), (396, 206509), (522, 156662), (638, 128178), (957, 85452), (1044, 78331), (1276, 64089), (1914, 42726), (2871, 28484), (3828, 21363), (5742, 14242), (7121, 11484)]