257788646731

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{1304209}}^1$

素因数の和:1304395

約数の個数: 32

約数和(自身を含む): 342558581760

約数和(自身を除く): 84769935029

約数列:

[1, 7, 11, 17, 77, 119, 151, 187, 1057, 1309, 1661, 2567, 11627, 17969, 28237, 197659, 1304209, 9129463, 14346299, 22171553, 100424093, 155200871, 196935559, 243887083, 1378548913, 1707209581, 2166291149, 3347904503, 15164038043, 23435331521, 36826949533, 257788646731]

約数ペア:

[(1, 257788646731), (7, 36826949533), (11, 23435331521), (17, 15164038043), (77, 3347904503), (119, 2166291149), (151, 1707209581), (187, 1378548913), (1057, 243887083), (1309, 196935559), (1661, 155200871), (2567, 100424093), (11627, 22171553), (17969, 14346299), (28237, 9129463), (197659, 1304209)]