81631914

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{487}}^1$

素因数の和:819

約数の個数: 64

約数和(自身を含む): 202008576

約数和(自身を除く): 120376662

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 307, 487, 546, 614, 921, 974, 1461, 1842, 2149, 2922, 3409, 3991, 4298, 6331, 6447, 6818, 7982, 10227, 11973, 12662, 12894, 18993, 20454, 23946, 27937, 37986, 44317, 55874, 83811, 88634, 132951, 149509, 167622, 265902, 299018, 448527, 897054, 1046563, 1943617, 2093126, 3139689, 3887234, 5830851, 6279378, 11661702, 13605319, 27210638, 40815957, 81631914]

約数ペア:

[(1, 81631914), (2, 40815957), (3, 27210638), (6, 13605319), (7, 11661702), (13, 6279378), (14, 5830851), (21, 3887234), (26, 3139689), (39, 2093126), (42, 1943617), (78, 1046563), (91, 897054), (182, 448527), (273, 299018), (307, 265902), (487, 167622), (546, 149509), (614, 132951), (921, 88634), (974, 83811), (1461, 55874), (1842, 44317), (2149, 37986), (2922, 27937), (3409, 23946), (3991, 20454), (4298, 18993), (6331, 12894), (6447, 12662), (6818, 11973), (7982, 10227)]