22721645

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1\times {\mathrm{449}}^1$

素因数の和:832

約数の個数: 16

約数和(自身を含む): 28350000

約数和(自身を除く): 5628355

約数列:

[1, 5, 29, 145, 349, 449, 1745, 2245, 10121, 13021, 50605, 65105, 156701, 783505, 4544329, 22721645]

約数ペア:

[(1, 22721645), (5, 4544329), (29, 783505), (145, 156701), (349, 65105), (449, 50605), (1745, 13021), (2245, 10121)]