1289339968

素因数分解:

$2^6\times 7^1\times {\mathrm{631}}^1\times {\mathrm{4561}}^1$

素因数の和:5211

約数の個数: 56

約数和(自身を含む): 2929314944

約数和(自身を除く): 1639974976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 631, 1262, 2524, 4417, 4561, 5048, 8834, 9122, 10096, 17668, 18244, 20192, 31927, 35336, 36488, 40384, 63854, 70672, 72976, 127708, 141344, 145952, 255416, 282688, 291904, 510832, 1021664, 2043328, 2877991, 5755982, 11511964, 20145937, 23023928, 40291874, 46047856, 80583748, 92095712, 161167496, 184191424, 322334992, 644669984, 1289339968]

約数ペア:

[(1, 1289339968), (2, 644669984), (4, 322334992), (7, 184191424), (8, 161167496), (14, 92095712), (16, 80583748), (28, 46047856), (32, 40291874), (56, 23023928), (64, 20145937), (112, 11511964), (224, 5755982), (448, 2877991), (631, 2043328), (1262, 1021664), (2524, 510832), (4417, 291904), (4561, 282688), (5048, 255416), (8834, 145952), (9122, 141344), (10096, 127708), (17668, 72976), (18244, 70672), (20192, 63854), (31927, 40384), (35336, 36488)]