28658623

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:546

約数の個数: 16

約数和(自身を含む): 33445440

約数和(自身を除く): 4786817

約数列:

[1, 7, 89, 157, 293, 623, 1099, 2051, 13973, 26077, 46001, 97811, 182539, 322007, 4094089, 28658623]

約数ペア:

[(1, 28658623), (7, 4094089), (89, 322007), (157, 182539), (293, 97811), (623, 46001), (1099, 26077), (2051, 13973)]