2581332481

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{7129}}^1$

素因数の和:7345

約数の個数: 32

約数和(自身を含む): 3334786560

約数和(自身を除く): 753454079

約数列:

[1, 7, 13, 23, 91, 161, 173, 299, 1211, 2093, 2249, 3979, 7129, 15743, 27853, 49903, 51727, 92677, 163967, 362089, 648739, 1147769, 1233317, 2131571, 8633219, 14920997, 16033121, 28366291, 112231847, 198564037, 368761783, 2581332481]

約数ペア:

[(1, 2581332481), (7, 368761783), (13, 198564037), (23, 112231847), (91, 28366291), (161, 16033121), (173, 14920997), (299, 8633219), (1211, 2131571), (2093, 1233317), (2249, 1147769), (3979, 648739), (7129, 362089), (15743, 163967), (27853, 92677), (49903, 51727)]