64811768

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{18973}}^1$

素因数の和:19047

約数の個数: 32

約数和(自身を含む): 141166560

約数和(自身を除く): 76354792

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 18973, 37946, 75892, 132811, 151784, 265622, 531244, 1062488, 1157353, 2314706, 4629412, 8101471, 9258824, 16202942, 32405884, 64811768]

約数ペア:

[(1, 64811768), (2, 32405884), (4, 16202942), (7, 9258824), (8, 8101471), (14, 4629412), (28, 2314706), (56, 1157353), (61, 1062488), (122, 531244), (244, 265622), (427, 151784), (488, 132811), (854, 75892), (1708, 37946), (3416, 18973)]