28288876

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13121}}^1$

素因数の和:13150

約数の個数: 36

約数和(自身を含む): 62828136

約数和(自身を除く): 34539260

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 13121, 26242, 52484, 91847, 144331, 183694, 288662, 367388, 577324, 642929, 1010317, 1285858, 2020634, 2571716, 4041268, 7072219, 14144438, 28288876]

約数ペア:

[(1, 28288876), (2, 14144438), (4, 7072219), (7, 4041268), (11, 2571716), (14, 2020634), (22, 1285858), (28, 1010317), (44, 642929), (49, 577324), (77, 367388), (98, 288662), (154, 183694), (196, 144331), (308, 91847), (539, 52484), (1078, 26242), (2156, 13121)]