68199664

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{17257}}^1$

素因数の和:17297

約数の個数: 40

約数和(自身を含む): 149799440

約数和(自身を除く): 81599776

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 17257, 34514, 69028, 138056, 224341, 276112, 327883, 448682, 655766, 897364, 1311532, 1794728, 2623064, 3589456, 4262479, 5246128, 8524958, 17049916, 34099832, 68199664]

約数ペア:

[(1, 68199664), (2, 34099832), (4, 17049916), (8, 8524958), (13, 5246128), (16, 4262479), (19, 3589456), (26, 2623064), (38, 1794728), (52, 1311532), (76, 897364), (104, 655766), (152, 448682), (208, 327883), (247, 276112), (304, 224341), (494, 138056), (988, 69028), (1976, 34514), (3952, 17257)]