28906724

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{739}}^1$

素因数の和:888

約数の個数: 48

約数和(自身を含む): 63651840

約数和(自身を除く): 34745116

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 127, 154, 254, 308, 508, 739, 889, 1397, 1478, 1778, 2794, 2956, 3556, 5173, 5588, 8129, 9779, 10346, 16258, 19558, 20692, 32516, 39116, 56903, 93853, 113806, 187706, 227612, 375412, 656971, 1032383, 1313942, 2064766, 2627884, 4129532, 7226681, 14453362, 28906724]

約数ペア:

[(1, 28906724), (2, 14453362), (4, 7226681), (7, 4129532), (11, 2627884), (14, 2064766), (22, 1313942), (28, 1032383), (44, 656971), (77, 375412), (127, 227612), (154, 187706), (254, 113806), (308, 93853), (508, 56903), (739, 39116), (889, 32516), (1397, 20692), (1478, 19558), (1778, 16258), (2794, 10346), (2956, 9779), (3556, 8129), (5173, 5588)]