28477852

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:542

約数の個数: 36

約数和(自身を含む): 54621840

約数和(自身を除く): 26143988

約数列:

[1, 2, 4, 13, 26, 52, 103, 169, 206, 338, 409, 412, 676, 818, 1339, 1636, 2678, 5317, 5356, 10634, 17407, 21268, 34814, 42127, 69121, 69628, 84254, 138242, 168508, 276484, 547651, 1095302, 2190604, 7119463, 14238926, 28477852]

約数ペア:

[(1, 28477852), (2, 14238926), (4, 7119463), (13, 2190604), (26, 1095302), (52, 547651), (103, 276484), (169, 168508), (206, 138242), (338, 84254), (409, 69628), (412, 69121), (676, 42127), (818, 34814), (1339, 21268), (1636, 17407), (2678, 10634), (5317, 5356)]