81507272

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{431}}^1$

素因数の和:762

約数の個数: 64

約数和(自身を含む): 191600640

約数和(自身を除く): 110093368

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 307, 308, 431, 614, 616, 862, 1228, 1724, 2149, 2456, 3017, 3377, 3448, 4298, 4741, 6034, 6754, 8596, 9482, 12068, 13508, 17192, 18964, 23639, 24136, 27016, 33187, 37928, 47278, 66374, 94556, 132317, 132748, 189112, 264634, 265496, 529268, 926219, 1058536, 1455487, 1852438, 2910974, 3704876, 5821948, 7409752, 10188409, 11643896, 20376818, 40753636, 81507272]

約数ペア:

[(1, 81507272), (2, 40753636), (4, 20376818), (7, 11643896), (8, 10188409), (11, 7409752), (14, 5821948), (22, 3704876), (28, 2910974), (44, 1852438), (56, 1455487), (77, 1058536), (88, 926219), (154, 529268), (307, 265496), (308, 264634), (431, 189112), (614, 132748), (616, 132317), (862, 94556), (1228, 66374), (1724, 47278), (2149, 37928), (2456, 33187), (3017, 27016), (3377, 24136), (3448, 23639), (4298, 18964), (4741, 17192), (6034, 13508), (6754, 12068), (8596, 9482)]