64611988

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{4643}}^1$

素因数の和:4732

約数の個数: 36

約数和(自身を含む): 133412832

約数和(自身を除く): 68800844

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 196, 284, 497, 994, 1988, 3479, 4643, 6958, 9286, 13916, 18572, 32501, 65002, 130004, 227507, 329653, 455014, 659306, 910028, 1318612, 2307571, 4615142, 9230284, 16152997, 32305994, 64611988]

約数ペア:

[(1, 64611988), (2, 32305994), (4, 16152997), (7, 9230284), (14, 4615142), (28, 2307571), (49, 1318612), (71, 910028), (98, 659306), (142, 455014), (196, 329653), (284, 227507), (497, 130004), (994, 65002), (1988, 32501), (3479, 18572), (4643, 13916), (6958, 9286)]