25030981

素因数分解:

${\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:364

約数の個数: 16

約数和(自身を含む): 26897920

約数和(自身を除く): 1866939

約数列:

[1, 31, 37, 139, 157, 1147, 4309, 4867, 5143, 5809, 21823, 159433, 180079, 676513, 807451, 25030981]

約数ペア:

[(1, 25030981), (31, 807451), (37, 676513), (139, 180079), (157, 159433), (1147, 21823), (4309, 5809), (4867, 5143)]