81406256

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{1051}}^1$

素因数の和:1209

約数の個数: 40

約数和(自身を含む): 162799104

約数和(自身を除く): 81392848

約数列:

[1, 2, 4, 8, 16, 47, 94, 103, 188, 206, 376, 412, 752, 824, 1051, 1648, 2102, 4204, 4841, 8408, 9682, 16816, 19364, 38728, 49397, 77456, 98794, 108253, 197588, 216506, 395176, 433012, 790352, 866024, 1732048, 5087891, 10175782, 20351564, 40703128, 81406256]

約数ペア:

[(1, 81406256), (2, 40703128), (4, 20351564), (8, 10175782), (16, 5087891), (47, 1732048), (94, 866024), (103, 790352), (188, 433012), (206, 395176), (376, 216506), (412, 197588), (752, 108253), (824, 98794), (1051, 77456), (1648, 49397), (2102, 38728), (4204, 19364), (4841, 16816), (8408, 9682)]