208889485

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{138797}}^1$

素因数の和:138852

約数の個数: 16

約数和(自身を含む): 293141376

約数和(自身を除く): 84251891

約数列:

[1, 5, 7, 35, 43, 215, 301, 1505, 138797, 693985, 971579, 4857895, 5968271, 29841355, 41777897, 208889485]

約数ペア:

[(1, 208889485), (5, 41777897), (7, 29841355), (35, 5968271), (43, 4857895), (215, 971579), (301, 693985), (1505, 138797)]