28269385

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{4007}}^1$

素因数の和:4112

約数の個数: 16

約数和(自身を含む): 36360576

約数和(自身を除く): 8091191

約数列:

[1, 5, 17, 83, 85, 415, 1411, 4007, 7055, 20035, 68119, 332581, 340595, 1662905, 5653877, 28269385]

約数ペア:

[(1, 28269385), (5, 5653877), (17, 1662905), (83, 340595), (85, 332581), (415, 68119), (1411, 20035), (4007, 7055)]