128516465

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1109}}^1$

素因数の和:1182

約数の個数: 48

約数和(自身を含む): 200439360

約数和(自身を除く): 71922895

約数列:

[1, 5, 7, 11, 35, 43, 49, 55, 77, 215, 245, 301, 385, 473, 539, 1109, 1505, 2107, 2365, 2695, 3311, 5545, 7763, 10535, 12199, 16555, 23177, 38815, 47687, 54341, 60995, 85393, 115885, 238435, 271705, 333809, 426965, 524557, 597751, 1669045, 2336663, 2622785, 2988755, 3671899, 11683315, 18359495, 25703293, 128516465]

約数ペア:

[(1, 128516465), (5, 25703293), (7, 18359495), (11, 11683315), (35, 3671899), (43, 2988755), (49, 2622785), (55, 2336663), (77, 1669045), (215, 597751), (245, 524557), (301, 426965), (385, 333809), (473, 271705), (539, 238435), (1109, 115885), (1505, 85393), (2107, 60995), (2365, 54341), (2695, 47687), (3311, 38815), (5545, 23177), (7763, 16555), (10535, 12199)]