128715568

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{473219}}^1$

素因数の和:473244

約数の個数: 20

約数和(自身を含む): 264056760

約数和(自身を除く): 135341192

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 473219, 946438, 1892876, 3785752, 7571504, 8044723, 16089446, 32178892, 64357784, 128715568]

約数ペア:

[(1, 128715568), (2, 64357784), (4, 32178892), (8, 16089446), (16, 8044723), (17, 7571504), (34, 3785752), (68, 1892876), (136, 946438), (272, 473219)]