255253691

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 347937120

約数和(自身を除く): 92683429

約数列:

[1, 7, 11, 17, 49, 77, 89, 119, 187, 313, 539, 623, 833, 979, 1309, 1513, 2191, 3443, 4361, 5321, 6853, 9163, 10591, 15337, 16643, 24101, 27857, 37247, 47971, 58531, 74137, 116501, 168707, 194999, 260729, 306427, 409717, 473569, 815507, 1364993, 2144989, 2868019, 3314983, 5209259, 15014923, 23204881, 36464813, 255253691]

約数ペア:

[(1, 255253691), (7, 36464813), (11, 23204881), (17, 15014923), (49, 5209259), (77, 3314983), (89, 2868019), (119, 2144989), (187, 1364993), (313, 815507), (539, 473569), (623, 409717), (833, 306427), (979, 260729), (1309, 194999), (1513, 168707), (2191, 116501), (3443, 74137), (4361, 58531), (5321, 47971), (6853, 37247), (9163, 27857), (10591, 24101), (15337, 16643)]