68721978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 154893312

約数和(自身を除く): 86171334

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 97, 186, 194, 291, 293, 403, 582, 586, 806, 879, 1209, 1261, 1758, 2418, 2522, 3007, 3783, 3809, 6014, 7566, 7618, 9021, 9083, 11427, 18042, 18166, 22854, 27249, 28421, 39091, 54498, 56842, 78182, 85263, 117273, 118079, 170526, 234546, 236158, 354237, 369473, 708474, 738946, 881051, 1108419, 1762102, 2216838, 2643153, 5286306, 11453663, 22907326, 34360989, 68721978]

約数ペア:

[(1, 68721978), (2, 34360989), (3, 22907326), (6, 11453663), (13, 5286306), (26, 2643153), (31, 2216838), (39, 1762102), (62, 1108419), (78, 881051), (93, 738946), (97, 708474), (186, 369473), (194, 354237), (291, 236158), (293, 234546), (403, 170526), (582, 118079), (586, 117273), (806, 85263), (879, 78182), (1209, 56842), (1261, 54498), (1758, 39091), (2418, 28421), (2522, 27249), (3007, 22854), (3783, 18166), (3809, 18042), (6014, 11427), (7566, 9083), (7618, 9021)]