255249071

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1753}}^1$

素因数の和:1863

約数の個数: 32

約数和(自身を含む): 334073856

約数和(自身を除く): 78824785

約数列:

[1, 7, 11, 31, 61, 77, 217, 341, 427, 671, 1753, 1891, 2387, 4697, 12271, 13237, 19283, 20801, 54343, 106933, 134981, 145607, 380401, 597773, 748531, 1176263, 3314923, 4184411, 8233841, 23204461, 36464153, 255249071]

約数ペア:

[(1, 255249071), (7, 36464153), (11, 23204461), (31, 8233841), (61, 4184411), (77, 3314923), (217, 1176263), (341, 748531), (427, 597773), (671, 380401), (1753, 145607), (1891, 134981), (2387, 106933), (4697, 54343), (12271, 20801), (13237, 19283)]