260068257

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{313}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 409506240

約数和(自身を除く): 149437983

約数列:

[1, 3, 9, 19, 43, 57, 113, 129, 171, 313, 339, 387, 817, 939, 1017, 2147, 2451, 2817, 4859, 5947, 6441, 7353, 13459, 14577, 17841, 19323, 35369, 40377, 43731, 53523, 92321, 106107, 121131, 255721, 276963, 318321, 672011, 767163, 830889, 1520867, 2016033, 2301489, 4562601, 6048099, 13687803, 28896473, 86689419, 260068257]

約数ペア:

[(1, 260068257), (3, 86689419), (9, 28896473), (19, 13687803), (43, 6048099), (57, 4562601), (113, 2301489), (129, 2016033), (171, 1520867), (313, 830889), (339, 767163), (387, 672011), (817, 318321), (939, 276963), (1017, 255721), (2147, 121131), (2451, 106107), (2817, 92321), (4859, 53523), (5947, 43731), (6441, 40377), (7353, 35369), (13459, 19323), (14577, 17841)]