80911568

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{297469}}^1$

素因数の和:297494

約数の個数: 20

約数和(自身を含む): 165988260

約数和(自身を除く): 85076692

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 297469, 594938, 1189876, 2379752, 4759504, 5056973, 10113946, 20227892, 40455784, 80911568]

約数ペア:

[(1, 80911568), (2, 40455784), (4, 20227892), (8, 10113946), (16, 5056973), (17, 4759504), (34, 2379752), (68, 1189876), (136, 594938), (272, 297469)]