4889493505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1\times {\mathrm{313}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 6844255488

約数和(自身を除く): 1954761983

約数列:

[1, 5, 13, 17, 65, 67, 85, 211, 221, 313, 335, 871, 1055, 1105, 1139, 1565, 2743, 3587, 4069, 4355, 5321, 5695, 13715, 14137, 14807, 17935, 20345, 20971, 26605, 46631, 66043, 69173, 70685, 74035, 104855, 183781, 233155, 240329, 272623, 330215, 345865, 356507, 858559, 918905, 1122731, 1201645, 1363115, 1782535, 3124277, 4292795, 4424881, 4634591, 5613655, 14595503, 15621385, 22124405, 23172955, 57523453, 72977515, 75222977, 287617265, 376114885, 977898701, 4889493505]

約数ペア:

[(1, 4889493505), (5, 977898701), (13, 376114885), (17, 287617265), (65, 75222977), (67, 72977515), (85, 57523453), (211, 23172955), (221, 22124405), (313, 15621385), (335, 14595503), (871, 5613655), (1055, 4634591), (1105, 4424881), (1139, 4292795), (1565, 3124277), (2743, 1782535), (3587, 1363115), (4069, 1201645), (4355, 1122731), (5321, 918905), (5695, 858559), (13715, 356507), (14137, 345865), (14807, 330215), (17935, 272623), (20345, 240329), (20971, 233155), (26605, 183781), (46631, 104855), (66043, 74035), (69173, 70685)]