42851809

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 60082560

約数和(自身を除く): 17230751

約数列:

[1, 7, 11, 13, 37, 77, 89, 91, 143, 169, 259, 407, 481, 623, 979, 1001, 1157, 1183, 1859, 2849, 3293, 3367, 5291, 6253, 6853, 8099, 12727, 13013, 15041, 23051, 36223, 37037, 42809, 43771, 68783, 89089, 105287, 165451, 253561, 299663, 470899, 481481, 556517, 1158157, 3296293, 3895619, 6121687, 42851809]

約数ペア:

[(1, 42851809), (7, 6121687), (11, 3895619), (13, 3296293), (37, 1158157), (77, 556517), (89, 481481), (91, 470899), (143, 299663), (169, 253561), (259, 165451), (407, 105287), (481, 89089), (623, 68783), (979, 43771), (1001, 42809), (1157, 37037), (1183, 36223), (1859, 23051), (2849, 15041), (3293, 13013), (3367, 12727), (5291, 8099), (6253, 6853)]