78868321

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{15413}}^1$

素因数の和:15480

約数の個数: 16

約数和(自身を含む): 97663104

約数和(自身を除く): 18794783

約数列:

[1, 7, 17, 43, 119, 301, 731, 5117, 15413, 107891, 262021, 662759, 1834147, 4639313, 11266903, 78868321]

約数ペア:

[(1, 78868321), (7, 11266903), (17, 4639313), (43, 1834147), (119, 662759), (301, 262021), (731, 107891), (5117, 15413)]