208032881

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{509}}^1$

素因数の和:981

約数の個数: 24

約数和(自身を含む): 255816000

約数和(自身を除く): 47783119

約数列:

[1, 7, 19, 49, 133, 439, 509, 931, 3073, 3563, 8341, 9671, 21511, 24941, 58387, 67697, 223451, 408709, 473879, 1564157, 4245569, 10949099, 29718983, 208032881]

約数ペア:

[(1, 208032881), (7, 29718983), (19, 10949099), (49, 4245569), (133, 1564157), (439, 473879), (509, 408709), (931, 223451), (3073, 67697), (3563, 58387), (8341, 24941), (9671, 21511)]