28438844

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{7307}}^1$

素因数の和:7457

約数の個数: 24

約数和(自身を含む): 57294720

約数和(自身を除く): 28855876

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 7307, 14614, 29228, 51149, 102298, 204596, 1015673, 2031346, 4062692, 7109711, 14219422, 28438844]

約数ペア:

[(1, 28438844), (2, 14219422), (4, 7109711), (7, 4062692), (14, 2031346), (28, 1015673), (139, 204596), (278, 102298), (556, 51149), (973, 29228), (1946, 14614), (3892, 7307)]