128804795

素因数分解:

$5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{439}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 180956160

約数和(自身を除く): 52151365

約数列:

[1, 5, 7, 35, 83, 101, 415, 439, 505, 581, 707, 2195, 2905, 3073, 3535, 8383, 15365, 36437, 41915, 44339, 58681, 182185, 221695, 255059, 293405, 310373, 1275295, 1551865, 3680137, 18400685, 25760959, 128804795]

約数ペア:

[(1, 128804795), (5, 25760959), (7, 18400685), (35, 3680137), (83, 1551865), (101, 1275295), (415, 310373), (439, 293405), (505, 255059), (581, 221695), (707, 182185), (2195, 58681), (2905, 44339), (3073, 41915), (3535, 36437), (8383, 15365)]