256932606

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{991}}^1\times {\mathrm{6173}}^1$

素因数の和:7176

約数の個数: 32

約数和(自身を含む): 587962368

約数和(自身を除く): 331029762

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 991, 1982, 2973, 5946, 6173, 6937, 12346, 13874, 18519, 20811, 37038, 41622, 43211, 86422, 129633, 259266, 6117443, 12234886, 18352329, 36704658, 42822101, 85644202, 128466303, 256932606]

約数ペア:

[(1, 256932606), (2, 128466303), (3, 85644202), (6, 42822101), (7, 36704658), (14, 18352329), (21, 12234886), (42, 6117443), (991, 259266), (1982, 129633), (2973, 86422), (5946, 43211), (6173, 41622), (6937, 37038), (12346, 20811), (13874, 18519)]