87395231

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:156

約数の個数: 64

約数和(自身を含む): 123863040

約数和(自身を除く): 36467809

約数列:

[1, 7, 11, 19, 31, 41, 47, 77, 133, 209, 217, 287, 329, 341, 451, 517, 589, 779, 893, 1271, 1457, 1463, 1927, 2387, 3157, 3619, 4123, 5453, 6251, 6479, 8569, 8897, 9823, 10199, 13489, 13981, 16027, 21197, 24149, 27683, 36613, 45353, 59737, 59983, 68761, 97867, 112189, 148379, 169043, 193781, 256291, 265639, 304513, 402743, 418159, 657107, 1135003, 1859473, 2131591, 2819201, 4599749, 7945021, 12485033, 87395231]

約数ペア:

[(1, 87395231), (7, 12485033), (11, 7945021), (19, 4599749), (31, 2819201), (41, 2131591), (47, 1859473), (77, 1135003), (133, 657107), (209, 418159), (217, 402743), (287, 304513), (329, 265639), (341, 256291), (451, 193781), (517, 169043), (589, 148379), (779, 112189), (893, 97867), (1271, 68761), (1457, 59983), (1463, 59737), (1927, 45353), (2387, 36613), (3157, 27683), (3619, 24149), (4123, 21197), (5453, 16027), (6251, 13981), (6479, 13489), (8569, 10199), (8897, 9823)]