71289463

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{10939}}^1$

素因数の和:10979

約数の個数: 16

約数和(自身を含む): 87520000

約数和(自身を除く): 16230537

約数列:

[1, 7, 19, 49, 133, 343, 931, 6517, 10939, 76573, 207841, 536011, 1454887, 3752077, 10184209, 71289463]

約数ペア:

[(1, 71289463), (7, 10184209), (19, 3752077), (49, 1454887), (133, 536011), (343, 207841), (931, 76573), (6517, 10939)]