209927504

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{7759}}^1$

素因数の和:7875

約数の個数: 40

約数和(自身を含む): 433008000

約数和(自身を除く): 223080496

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 89, 152, 178, 304, 356, 712, 1424, 1691, 3382, 6764, 7759, 13528, 15518, 27056, 31036, 62072, 124144, 147421, 294842, 589684, 690551, 1179368, 1381102, 2358736, 2762204, 5524408, 11048816, 13120469, 26240938, 52481876, 104963752, 209927504]

約数ペア:

[(1, 209927504), (2, 104963752), (4, 52481876), (8, 26240938), (16, 13120469), (19, 11048816), (38, 5524408), (76, 2762204), (89, 2358736), (152, 1381102), (178, 1179368), (304, 690551), (356, 589684), (712, 294842), (1424, 147421), (1691, 124144), (3382, 62072), (6764, 31036), (7759, 27056), (13528, 15518)]