665929985

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{2381}}^1$

素因数の和:2585

約数の個数: 32

約数和(自身を含む): 935725824

約数和(自身を除く): 269795839

約数列:

[1, 5, 7, 35, 61, 131, 305, 427, 655, 917, 2135, 2381, 4585, 7991, 11905, 16667, 39955, 55937, 83335, 145241, 279685, 311911, 726205, 1016687, 1559555, 2183377, 5083435, 10916885, 19026571, 95132855, 133185997, 665929985]

約数ペア:

[(1, 665929985), (5, 133185997), (7, 95132855), (35, 19026571), (61, 10916885), (131, 5083435), (305, 2183377), (427, 1559555), (655, 1016687), (917, 726205), (2135, 311911), (2381, 279685), (4585, 145241), (7991, 83335), (11905, 55937), (16667, 39955)]