278040784

素因数分解:

$2^4\times 7^1\times {\mathrm{107}}^1\times {\mathrm{23201}}^1$

素因数の和:23323

約数の個数: 40

約数和(自身を含む): 621442368

約数和(自身を除く): 343401584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 107, 112, 214, 428, 749, 856, 1498, 1712, 2996, 5992, 11984, 23201, 46402, 92804, 162407, 185608, 324814, 371216, 649628, 1299256, 2482507, 2598512, 4965014, 9930028, 17377549, 19860056, 34755098, 39720112, 69510196, 139020392, 278040784]

約数ペア:

[(1, 278040784), (2, 139020392), (4, 69510196), (7, 39720112), (8, 34755098), (14, 19860056), (16, 17377549), (28, 9930028), (56, 4965014), (107, 2598512), (112, 2482507), (214, 1299256), (428, 649628), (749, 371216), (856, 324814), (1498, 185608), (1712, 162407), (2996, 92804), (5992, 46402), (11984, 23201)]