205956154

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:454

約数の個数: 32

約数和(自身を含む): 323389440

約数和(自身を除く): 117433286

約数列:

[1, 2, 43, 86, 109, 127, 173, 218, 254, 346, 4687, 5461, 7439, 9374, 10922, 13843, 14878, 18857, 21971, 27686, 37714, 43942, 595249, 810851, 944753, 1190498, 1621702, 1889506, 2394839, 4789678, 102978077, 205956154]

約数ペア:

[(1, 205956154), (2, 102978077), (43, 4789678), (86, 2394839), (109, 1889506), (127, 1621702), (173, 1190498), (218, 944753), (254, 810851), (346, 595249), (4687, 43942), (5461, 37714), (7439, 27686), (9374, 21971), (10922, 18857), (13843, 14878)]