71781136

素因数分解:

$2^4\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1567}}^1$

素因数の和:1991

約数の個数: 40

約数和(自身を含む): 159434240

約数和(自身を除く): 87653104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 409, 818, 1567, 1636, 2863, 3134, 3272, 5726, 6268, 6544, 10969, 11452, 12536, 21938, 22904, 25072, 43876, 45808, 87752, 175504, 640903, 1281806, 2563612, 4486321, 5127224, 8972642, 10254448, 17945284, 35890568, 71781136]

約数ペア:

[(1, 71781136), (2, 35890568), (4, 17945284), (7, 10254448), (8, 8972642), (14, 5127224), (16, 4486321), (28, 2563612), (56, 1281806), (112, 640903), (409, 175504), (818, 87752), (1567, 45808), (1636, 43876), (2863, 25072), (3134, 22904), (3272, 21938), (5726, 12536), (6268, 11452), (6544, 10969)]