638441771

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{467}}^1\times {\mathrm{3359}}^1$

素因数の和:3874

約数の個数: 16

約数和(自身を含む): 717050880

約数和(自身を除く): 78609109

約数列:

[1, 11, 37, 407, 467, 3359, 5137, 17279, 36949, 124283, 190069, 1367113, 1568653, 17255183, 58040161, 638441771]

約数ペア:

[(1, 638441771), (11, 58040161), (37, 17255183), (407, 1568653), (467, 1367113), (3359, 190069), (5137, 124283), (17279, 36949)]