28882945

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 45325440

約数和(自身を除く): 16442495

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 169, 247, 257, 455, 665, 845, 1183, 1235, 1285, 1729, 1799, 3211, 3341, 4883, 5915, 8645, 8995, 16055, 16705, 22477, 23387, 24415, 34181, 43433, 63479, 112385, 116935, 170905, 217165, 304031, 317395, 444353, 825227, 1520155, 2221765, 4126135, 5776589, 28882945]

約数ペア:

[(1, 28882945), (5, 5776589), (7, 4126135), (13, 2221765), (19, 1520155), (35, 825227), (65, 444353), (91, 317395), (95, 304031), (133, 217165), (169, 170905), (247, 116935), (257, 112385), (455, 63479), (665, 43433), (845, 34181), (1183, 24415), (1235, 23387), (1285, 22477), (1729, 16705), (1799, 16055), (3211, 8995), (3341, 8645), (4883, 5915)]