256225893

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{4093}}^1$

素因数の和:4385

約数の個数: 32

約数和(自身を含む): 427610112

約数和(自身を除く): 171384219

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 271, 813, 1897, 2981, 4093, 5691, 8943, 12279, 20867, 28651, 45023, 62601, 85953, 135069, 315161, 945483, 1109203, 3327609, 7764421, 12201233, 23293263, 36603699, 85408631, 256225893]

約数ペア:

[(1, 256225893), (3, 85408631), (7, 36603699), (11, 23293263), (21, 12201233), (33, 7764421), (77, 3327609), (231, 1109203), (271, 945483), (813, 315161), (1897, 135069), (2981, 85953), (4093, 62601), (5691, 45023), (8943, 28651), (12279, 20867)]