138574513

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 177742080

約数和(自身を除く): 39167567

約数列:

[1, 7, 11, 73, 77, 89, 277, 511, 623, 803, 979, 1939, 3047, 5621, 6497, 6853, 20221, 21329, 24653, 45479, 71467, 141547, 172571, 222431, 271183, 500269, 1557017, 1799669, 1898281, 12597683, 19796359, 138574513]

約数ペア:

[(1, 138574513), (7, 19796359), (11, 12597683), (73, 1898281), (77, 1799669), (89, 1557017), (277, 500269), (511, 271183), (623, 222431), (803, 172571), (979, 141547), (1939, 71467), (3047, 45479), (5621, 24653), (6497, 21329), (6853, 20221)]