64712879

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 88646400

約数和(自身を除く): 23933521

約数列:

[1, 7, 11, 19, 49, 71, 77, 89, 133, 209, 497, 539, 623, 781, 931, 979, 1349, 1463, 1691, 3479, 4361, 5467, 6319, 6853, 9443, 10241, 11837, 14839, 18601, 38269, 44233, 47971, 66101, 69509, 82859, 103873, 120061, 130207, 309631, 486563, 727111, 840427, 911449, 1320671, 3405941, 5882989, 9244697, 64712879]

約数ペア:

[(1, 64712879), (7, 9244697), (11, 5882989), (19, 3405941), (49, 1320671), (71, 911449), (77, 840427), (89, 727111), (133, 486563), (209, 309631), (497, 130207), (539, 120061), (623, 103873), (781, 82859), (931, 69509), (979, 66101), (1349, 47971), (1463, 44233), (1691, 38269), (3479, 18601), (4361, 14839), (5467, 11837), (6319, 10241), (6853, 9443)]