71392321

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{977}}^1$

素因数の和:1081

約数の個数: 32

約数和(自身を含む): 97267968

約数和(自身を除く): 25875647

約数列:

[1, 7, 11, 13, 73, 77, 91, 143, 511, 803, 949, 977, 1001, 5621, 6643, 6839, 10439, 10747, 12701, 71321, 73073, 75229, 88907, 139711, 499247, 784531, 927173, 977977, 5491717, 6490211, 10198903, 71392321]

約数ペア:

[(1, 71392321), (7, 10198903), (11, 6490211), (13, 5491717), (73, 977977), (77, 927173), (91, 784531), (143, 499247), (511, 139711), (803, 88907), (949, 75229), (977, 73073), (1001, 71321), (5621, 12701), (6643, 10747), (6839, 10439)]