256590503

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 315380736

約数和(自身を除く): 58790233

約数列:

[1, 13, 17, 31, 43, 67, 169, 221, 403, 527, 559, 731, 871, 1139, 1333, 2077, 2873, 2881, 5239, 6851, 7267, 9503, 11323, 14807, 17329, 22661, 27001, 35309, 37453, 48977, 89063, 89311, 123539, 192491, 225277, 294593, 351013, 459017, 486889, 636701, 1161043, 1518287, 3829709, 5967221, 8277113, 15093559, 19737731, 256590503]

約数ペア:

[(1, 256590503), (13, 19737731), (17, 15093559), (31, 8277113), (43, 5967221), (67, 3829709), (169, 1518287), (221, 1161043), (403, 636701), (527, 486889), (559, 459017), (731, 351013), (871, 294593), (1139, 225277), (1333, 192491), (2077, 123539), (2873, 89311), (2881, 89063), (5239, 48977), (6851, 37453), (7267, 35309), (9503, 27001), (11323, 22661), (14807, 17329)]