205153936

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{1609}}^1$

素因数の和:2243

約数の個数: 40

約数和(自身を含む): 429026360

約数和(自身を除く): 223872424

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 613, 1226, 1609, 2452, 3218, 4904, 6436, 7969, 9808, 12872, 15938, 20917, 25744, 31876, 41834, 63752, 83668, 127504, 167336, 334672, 986317, 1972634, 3945268, 7890536, 12822121, 15781072, 25644242, 51288484, 102576968, 205153936]

約数ペア:

[(1, 205153936), (2, 102576968), (4, 51288484), (8, 25644242), (13, 15781072), (16, 12822121), (26, 7890536), (52, 3945268), (104, 1972634), (208, 986317), (613, 334672), (1226, 167336), (1609, 127504), (2452, 83668), (3218, 63752), (4904, 41834), (6436, 31876), (7969, 25744), (9808, 20917), (12872, 15938)]