256360041

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{179}}^2$

素因数の和:498

約数の個数: 36

約数和(自身を含む): 428925952

約数和(自身を除く): 172565911

約数列:

[1, 3, 7, 9, 21, 63, 127, 179, 381, 537, 889, 1143, 1253, 1611, 2667, 3759, 8001, 11277, 22733, 32041, 68199, 96123, 159131, 204597, 224287, 288369, 477393, 672861, 1432179, 2018583, 4069207, 12207621, 28484449, 36622863, 85453347, 256360041]

約数ペア:

[(1, 256360041), (3, 85453347), (7, 36622863), (9, 28484449), (21, 12207621), (63, 4069207), (127, 2018583), (179, 1432179), (381, 672861), (537, 477393), (889, 288369), (1143, 224287), (1253, 204597), (1611, 159131), (2667, 96123), (3759, 68199), (8001, 32041), (11277, 22733)]