40384729

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 52254720

約数和(自身を除く): 11869991

約数列:

[1, 7, 11, 71, 77, 83, 89, 497, 581, 623, 781, 913, 979, 5467, 5893, 6319, 6391, 6853, 7387, 41251, 44233, 51709, 64823, 69509, 81257, 453761, 486563, 524477, 568799, 3671339, 5769247, 40384729]

約数ペア:

[(1, 40384729), (7, 5769247), (11, 3671339), (71, 568799), (77, 524477), (83, 486563), (89, 453761), (497, 81257), (581, 69509), (623, 64823), (781, 51709), (913, 44233), (979, 41251), (5467, 7387), (5893, 6853), (6319, 6391)]