28293188

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{1193}}^1$

素因数の和:1233

約数の個数: 54

約数和(自身を含む): 63361998

約数和(自身を除く): 35068810

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 121, 154, 196, 242, 308, 484, 539, 847, 1078, 1193, 1694, 2156, 2386, 3388, 4772, 5929, 8351, 11858, 13123, 16702, 23716, 26246, 33404, 52492, 58457, 91861, 116914, 144353, 183722, 233828, 288706, 367444, 577412, 643027, 1010471, 1286054, 2020942, 2572108, 4041884, 7073297, 14146594, 28293188]

約数ペア:

[(1, 28293188), (2, 14146594), (4, 7073297), (7, 4041884), (11, 2572108), (14, 2020942), (22, 1286054), (28, 1010471), (44, 643027), (49, 577412), (77, 367444), (98, 288706), (121, 233828), (154, 183722), (196, 144353), (242, 116914), (308, 91861), (484, 58457), (539, 52492), (847, 33404), (1078, 26246), (1193, 23716), (1694, 16702), (2156, 13123), (2386, 11858), (3388, 8351), (4772, 5929)]