26903107

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 37428480

約数和(自身を除く): 10525373

約数列:

[1, 7, 11, 19, 37, 49, 71, 77, 133, 209, 259, 407, 497, 539, 703, 781, 931, 1349, 1463, 1813, 2627, 2849, 3479, 4921, 5467, 7733, 9443, 10241, 14839, 18389, 19943, 28897, 34447, 38269, 49913, 54131, 66101, 103873, 128723, 202279, 349391, 378917, 549043, 727111, 1415953, 2445737, 3843301, 26903107]

約数ペア:

[(1, 26903107), (7, 3843301), (11, 2445737), (19, 1415953), (37, 727111), (49, 549043), (71, 378917), (77, 349391), (133, 202279), (209, 128723), (259, 103873), (407, 66101), (497, 54131), (539, 49913), (703, 38269), (781, 34447), (931, 28897), (1349, 19943), (1463, 18389), (1813, 14839), (2627, 10241), (2849, 9443), (3479, 7733), (4921, 5467)]