22784815

素因数分解:

$5^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:642

約数の個数: 16

約数和(自身を含む): 27941760

約数和(自身を除く): 5156945

約数列:

[1, 5, 97, 109, 431, 485, 545, 2155, 10573, 41807, 46979, 52865, 209035, 234895, 4556963, 22784815]

約数ペア:

[(1, 22784815), (5, 4556963), (97, 234895), (109, 209035), (431, 52865), (485, 46979), (545, 41807), (2155, 10573)]