51315485

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1123}}^1$

素因数の和:1197

約数の個数: 32

約数和(自身を含む): 71756160

約数和(自身を除く): 20440675

約数列:

[1, 5, 13, 19, 37, 65, 95, 185, 247, 481, 703, 1123, 1235, 2405, 3515, 5615, 9139, 14599, 21337, 41551, 45695, 72995, 106685, 207755, 277381, 540163, 789469, 1386905, 2700815, 3947345, 10263097, 51315485]

約数ペア:

[(1, 51315485), (5, 10263097), (13, 3947345), (19, 2700815), (37, 1386905), (65, 789469), (95, 540163), (185, 277381), (247, 207755), (481, 106685), (703, 72995), (1123, 45695), (1235, 41551), (2405, 21337), (3515, 14599), (5615, 9139)]