78689985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 143216640

約数和(自身を除く): 64526655

約数列:

[1, 3, 5, 11, 15, 33, 47, 55, 73, 139, 141, 165, 219, 235, 365, 417, 517, 695, 705, 803, 1095, 1529, 1551, 2085, 2409, 2585, 3431, 4015, 4587, 6533, 7645, 7755, 10147, 10293, 12045, 17155, 19599, 22935, 30441, 32665, 37741, 50735, 51465, 71863, 97995, 111617, 113223, 152205, 188705, 215589, 334851, 359315, 476909, 558085, 566115, 1077945, 1430727, 1674255, 2384545, 5245999, 7153635, 15737997, 26229995, 78689985]

約数ペア:

[(1, 78689985), (3, 26229995), (5, 15737997), (11, 7153635), (15, 5245999), (33, 2384545), (47, 1674255), (55, 1430727), (73, 1077945), (139, 566115), (141, 558085), (165, 476909), (219, 359315), (235, 334851), (365, 215589), (417, 188705), (517, 152205), (695, 113223), (705, 111617), (803, 97995), (1095, 71863), (1529, 51465), (1551, 50735), (2085, 37741), (2409, 32665), (2585, 30441), (3431, 22935), (4015, 19599), (4587, 17155), (6533, 12045), (7645, 10293), (7755, 10147)]