78939718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:317

約数の個数: 64

約数和(自身を含む): 149184000

約数和(自身を除く): 70244282

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 73, 143, 146, 199, 209, 247, 286, 398, 418, 494, 803, 949, 1387, 1606, 1898, 2189, 2587, 2717, 2774, 3781, 4378, 5174, 5434, 7562, 10439, 14527, 15257, 18031, 20878, 28457, 29054, 30514, 36062, 41591, 49153, 56914, 83182, 98306, 159797, 188851, 198341, 276013, 319594, 377702, 396682, 540683, 552026, 1081366, 2077361, 3036143, 3588169, 4154722, 6072286, 7176338, 39469859, 78939718]

約数ペア:

[(1, 78939718), (2, 39469859), (11, 7176338), (13, 6072286), (19, 4154722), (22, 3588169), (26, 3036143), (38, 2077361), (73, 1081366), (143, 552026), (146, 540683), (199, 396682), (209, 377702), (247, 319594), (286, 276013), (398, 198341), (418, 188851), (494, 159797), (803, 98306), (949, 83182), (1387, 56914), (1606, 49153), (1898, 41591), (2189, 36062), (2587, 30514), (2717, 29054), (2774, 28457), (3781, 20878), (4378, 18031), (5174, 15257), (5434, 14527), (7562, 10439)]