66538913

素因数分解:

$7^5\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:179

約数の個数: 24

約数和(自身を含む): 80471232

約数和(自身を除く): 13932319

約数列:

[1, 7, 37, 49, 107, 259, 343, 749, 1813, 2401, 3959, 5243, 12691, 16807, 27713, 36701, 88837, 193991, 256907, 621859, 1357937, 1798349, 9505559, 66538913]

約数ペア:

[(1, 66538913), (7, 9505559), (37, 1798349), (49, 1357937), (107, 621859), (259, 256907), (343, 193991), (749, 88837), (1813, 36701), (2401, 27713), (3959, 16807), (5243, 12691)]