68811568

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19819}}^1$

素因数の和:19865

約数の個数: 40

約数和(自身を含む): 157291520

約数和(自身を除く): 88479952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 19819, 39638, 79276, 138733, 158552, 277466, 317104, 554932, 614389, 1109864, 1228778, 2219728, 2457556, 4300723, 4915112, 8601446, 9830224, 17202892, 34405784, 68811568]

約数ペア:

[(1, 68811568), (2, 34405784), (4, 17202892), (7, 9830224), (8, 8601446), (14, 4915112), (16, 4300723), (28, 2457556), (31, 2219728), (56, 1228778), (62, 1109864), (112, 614389), (124, 554932), (217, 317104), (248, 277466), (434, 158552), (496, 138733), (868, 79276), (1736, 39638), (3472, 19819)]