2078536439

素因数分解:

$7^3\times {\mathrm{307}}^1\times {\mathrm{19739}}^1$

素因数の和:20067

約数の個数: 16

約数和(自身を含む): 2431968000

約数和(自身を除く): 353431561

約数列:

[1, 7, 49, 307, 343, 2149, 15043, 19739, 105301, 138173, 967211, 6059873, 6770477, 42419111, 296933777, 2078536439]

約数ペア:

[(1, 2078536439), (7, 296933777), (49, 42419111), (307, 6770477), (343, 6059873), (2149, 967211), (15043, 138173), (19739, 105301)]