81479945

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1\times {\mathrm{647}}^1$

素因数の和:1024

約数の個数: 16

約数和(自身を含む): 99377280

約数和(自身を除く): 17897335

約数列:

[1, 5, 89, 283, 445, 647, 1415, 3235, 25187, 57583, 125935, 183101, 287915, 915505, 16295989, 81479945]

約数ペア:

[(1, 81479945), (5, 16295989), (89, 915505), (283, 287915), (445, 183101), (647, 125935), (1415, 57583), (3235, 25187)]