28131444

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71039}}^1$

素因数の和:71060

約数の個数: 36

約数和(自身を含む): 77575680

約数和(自身を除く): 49444236

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 71039, 142078, 213117, 284156, 426234, 639351, 781429, 852468, 1278702, 1562858, 2344287, 2557404, 3125716, 4688574, 7032861, 9377148, 14065722, 28131444]

約数ペア:

[(1, 28131444), (2, 14065722), (3, 9377148), (4, 7032861), (6, 4688574), (9, 3125716), (11, 2557404), (12, 2344287), (18, 1562858), (22, 1278702), (33, 852468), (36, 781429), (44, 639351), (66, 426234), (99, 284156), (132, 213117), (198, 142078), (396, 71039)]