258511605

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4007}}^1$

素因数の和:4066

約数の個数: 64

約数和(自身を含む): 498659328

約数和(自身を除く): 240147723

約数列:

[1, 3, 5, 11, 15, 17, 23, 33, 51, 55, 69, 85, 115, 165, 187, 253, 255, 345, 391, 561, 759, 935, 1173, 1265, 1955, 2805, 3795, 4007, 4301, 5865, 12021, 12903, 20035, 21505, 44077, 60105, 64515, 68119, 92161, 132231, 204357, 220385, 276483, 340595, 460805, 661155, 749309, 1013771, 1021785, 1382415, 1566737, 2247927, 3041313, 3746545, 4700211, 5068855, 7833685, 11239635, 15206565, 17234107, 23501055, 51702321, 86170535, 258511605]

約数ペア:

[(1, 258511605), (3, 86170535), (5, 51702321), (11, 23501055), (15, 17234107), (17, 15206565), (23, 11239635), (33, 7833685), (51, 5068855), (55, 4700211), (69, 3746545), (85, 3041313), (115, 2247927), (165, 1566737), (187, 1382415), (253, 1021785), (255, 1013771), (345, 749309), (391, 661155), (561, 460805), (759, 340595), (935, 276483), (1173, 220385), (1265, 204357), (1955, 132231), (2805, 92161), (3795, 68119), (4007, 64515), (4301, 60105), (5865, 44077), (12021, 21505), (12903, 20035)]