16772225

素因数分解:

$5^2\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 21561120

約数和(自身を除く): 4788895

約数列:

[1, 5, 25, 59, 83, 137, 295, 415, 685, 1475, 2075, 3425, 4897, 8083, 11371, 24485, 40415, 56855, 122425, 202075, 284275, 670889, 3354445, 16772225]

約数ペア:

[(1, 16772225), (5, 3354445), (25, 670889), (59, 284275), (83, 202075), (137, 122425), (295, 56855), (415, 40415), (685, 24485), (1475, 11371), (2075, 8083), (3425, 4897)]