68704748

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{691}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 142297344

約数和(自身を除く): 73592596

約数列:

[1, 2, 4, 7, 14, 28, 53, 67, 106, 134, 212, 268, 371, 469, 691, 742, 938, 1382, 1484, 1876, 2764, 3551, 4837, 7102, 9674, 14204, 19348, 24857, 36623, 46297, 49714, 73246, 92594, 99428, 146492, 185188, 256361, 324079, 512722, 648158, 1025444, 1296316, 2453741, 4907482, 9814964, 17176187, 34352374, 68704748]

約数ペア:

[(1, 68704748), (2, 34352374), (4, 17176187), (7, 9814964), (14, 4907482), (28, 2453741), (53, 1296316), (67, 1025444), (106, 648158), (134, 512722), (212, 324079), (268, 256361), (371, 185188), (469, 146492), (691, 99428), (742, 92594), (938, 73246), (1382, 49714), (1484, 46297), (1876, 36623), (2764, 24857), (3551, 19348), (4837, 14204), (7102, 9674)]