28412888

素因数分解:

$2^3\times 7^1\times {\mathrm{313}}^1\times {\mathrm{1621}}^1$

素因数の和:1947

約数の個数: 32

約数和(自身を含む): 61116960

約数和(自身を除く): 32704072

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 313, 626, 1252, 1621, 2191, 2504, 3242, 4382, 6484, 8764, 11347, 12968, 17528, 22694, 45388, 90776, 507373, 1014746, 2029492, 3551611, 4058984, 7103222, 14206444, 28412888]

約数ペア:

[(1, 28412888), (2, 14206444), (4, 7103222), (7, 4058984), (8, 3551611), (14, 2029492), (28, 1014746), (56, 507373), (313, 90776), (626, 45388), (1252, 22694), (1621, 17528), (2191, 12968), (2504, 11347), (3242, 8764), (4382, 6484)]