39991105

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 65499840

約数和(自身を除く): 25508735

約数列:

[1, 5, 7, 11, 19, 35, 49, 55, 71, 77, 95, 121, 133, 209, 245, 355, 385, 497, 539, 605, 665, 781, 847, 931, 1045, 1349, 1463, 2299, 2485, 2695, 3479, 3905, 4235, 4655, 5467, 5929, 6745, 7315, 8591, 9443, 10241, 11495, 14839, 16093, 17395, 27335, 29645, 38269, 42955, 47215, 51205, 60137, 66101, 74195, 80465, 103873, 112651, 163229, 191345, 300685, 330505, 420959, 519365, 563255, 727111, 816145, 1142603, 2104795, 3635555, 5713015, 7998221, 39991105]

約数ペア:

[(1, 39991105), (5, 7998221), (7, 5713015), (11, 3635555), (19, 2104795), (35, 1142603), (49, 816145), (55, 727111), (71, 563255), (77, 519365), (95, 420959), (121, 330505), (133, 300685), (209, 191345), (245, 163229), (355, 112651), (385, 103873), (497, 80465), (539, 74195), (605, 66101), (665, 60137), (781, 51205), (847, 47215), (931, 42955), (1045, 38269), (1349, 29645), (1463, 27335), (2299, 17395), (2485, 16093), (2695, 14839), (3479, 11495), (3905, 10241), (4235, 9443), (4655, 8591), (5467, 7315), (5929, 6745)]