64893787

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{811}}^1$

素因数の和:919

約数の個数: 24

約数和(自身を含む): 79978752

約数和(自身を除く): 15084965

約数列:

[1, 7, 23, 49, 71, 161, 497, 811, 1127, 1633, 3479, 5677, 11431, 18653, 39739, 57581, 80017, 130571, 403067, 913997, 1324363, 2821469, 9270541, 64893787]

約数ペア:

[(1, 64893787), (7, 9270541), (23, 2821469), (49, 1324363), (71, 913997), (161, 403067), (497, 130571), (811, 80017), (1127, 57581), (1633, 39739), (3479, 18653), (5677, 11431)]