64778896

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{44491}}^1$

素因数の和:44519

約数の個数: 40

約数和(自身を含む): 154476224

約数和(自身を除く): 89697328

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 44491, 88982, 177964, 311437, 355928, 578383, 622874, 711856, 1156766, 1245748, 2313532, 2491496, 4048681, 4627064, 4982992, 8097362, 9254128, 16194724, 32389448, 64778896]

約数ペア:

[(1, 64778896), (2, 32389448), (4, 16194724), (7, 9254128), (8, 8097362), (13, 4982992), (14, 4627064), (16, 4048681), (26, 2491496), (28, 2313532), (52, 1245748), (56, 1156766), (91, 711856), (104, 622874), (112, 578383), (182, 355928), (208, 311437), (364, 177964), (728, 88982), (1456, 44491)]