81729076

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{379}}^1$

素因数の和:449

約数の個数: 72

約数和(自身を含む): 175240800

約数和(自身を除く): 93511724

約数列:

[1, 2, 4, 11, 13, 22, 26, 29, 44, 52, 58, 116, 143, 169, 286, 319, 338, 377, 379, 572, 638, 676, 754, 758, 1276, 1508, 1516, 1859, 3718, 4147, 4169, 4901, 4927, 7436, 8294, 8338, 9802, 9854, 10991, 16588, 16676, 19604, 19708, 21982, 43964, 53911, 54197, 64051, 107822, 108394, 120901, 128102, 142883, 215644, 216788, 241802, 256204, 285766, 483604, 571532, 704561, 1409122, 1571713, 1857479, 2818244, 3143426, 3714958, 6286852, 7429916, 20432269, 40864538, 81729076]

約数ペア:

[(1, 81729076), (2, 40864538), (4, 20432269), (11, 7429916), (13, 6286852), (22, 3714958), (26, 3143426), (29, 2818244), (44, 1857479), (52, 1571713), (58, 1409122), (116, 704561), (143, 571532), (169, 483604), (286, 285766), (319, 256204), (338, 241802), (377, 216788), (379, 215644), (572, 142883), (638, 128102), (676, 120901), (754, 108394), (758, 107822), (1276, 64051), (1508, 54197), (1516, 53911), (1859, 43964), (3718, 21982), (4147, 19708), (4169, 19604), (4901, 16676), (4927, 16588), (7436, 10991), (8294, 9854), (8338, 9802)]