28645519

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1307}}^1$

素因数の和:1446

約数の個数: 16

約数和(自身を含む): 34154496

約数和(自身を除く): 5508977

約数列:

[1, 7, 31, 101, 217, 707, 1307, 3131, 9149, 21917, 40517, 132007, 283619, 924049, 4092217, 28645519]

約数ペア:

[(1, 28645519), (7, 4092217), (31, 924049), (101, 283619), (217, 132007), (707, 40517), (1307, 21917), (3131, 9149)]