25387439

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:148

約数の個数: 48

約数和(自身を含む): 35349120

約数和(自身を除く): 9961681

約数列:

[1, 7, 11, 19, 37, 49, 67, 77, 133, 209, 259, 407, 469, 539, 703, 737, 931, 1273, 1463, 1813, 2479, 2849, 3283, 4921, 5159, 7733, 8911, 10241, 14003, 17353, 19943, 27269, 34447, 36113, 47101, 54131, 62377, 98021, 121471, 190883, 329707, 378917, 518111, 686147, 1336181, 2307949, 3626777, 25387439]

約数ペア:

[(1, 25387439), (7, 3626777), (11, 2307949), (19, 1336181), (37, 686147), (49, 518111), (67, 378917), (77, 329707), (133, 190883), (209, 121471), (259, 98021), (407, 62377), (469, 54131), (539, 47101), (703, 36113), (737, 34447), (931, 27269), (1273, 19943), (1463, 17353), (1813, 14003), (2479, 10241), (2849, 8911), (3283, 7733), (4921, 5159)]