138486579

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:368

約数の個数: 64

約数和(自身を含む): 241532928

約数和(自身を除く): 103046349

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 83, 93, 217, 231, 233, 249, 341, 581, 651, 699, 913, 1023, 1631, 1743, 2387, 2563, 2573, 2739, 4893, 6391, 7161, 7223, 7689, 7719, 17941, 18011, 19173, 19339, 21669, 28303, 50561, 53823, 54033, 58017, 79453, 84909, 135373, 151683, 198121, 212729, 238359, 406119, 556171, 594363, 599509, 638187, 1489103, 1668513, 1798527, 4196563, 4467309, 6594599, 12589689, 19783797, 46162193, 138486579]

約数ペア:

[(1, 138486579), (3, 46162193), (7, 19783797), (11, 12589689), (21, 6594599), (31, 4467309), (33, 4196563), (77, 1798527), (83, 1668513), (93, 1489103), (217, 638187), (231, 599509), (233, 594363), (249, 556171), (341, 406119), (581, 238359), (651, 212729), (699, 198121), (913, 151683), (1023, 135373), (1631, 84909), (1743, 79453), (2387, 58017), (2563, 54033), (2573, 53823), (2739, 50561), (4893, 28303), (6391, 21669), (7161, 19339), (7223, 19173), (7689, 18011), (7719, 17941)]