164281285

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{6421}}^1$

素因数の和:6493

約数の個数: 32

約数和(自身を含む): 244138752

約数和(自身を除く): 79857467

約数列:

[1, 5, 7, 17, 35, 43, 85, 119, 215, 301, 595, 731, 1505, 3655, 5117, 6421, 25585, 32105, 44947, 109157, 224735, 276103, 545785, 764099, 1380515, 1932721, 3820495, 4693751, 9663605, 23468755, 32856257, 164281285]

約数ペア:

[(1, 164281285), (5, 32856257), (7, 23468755), (17, 9663605), (35, 4693751), (43, 3820495), (85, 1932721), (119, 1380515), (215, 764099), (301, 545785), (595, 276103), (731, 224735), (1505, 109157), (3655, 44947), (5117, 32105), (6421, 25585)]