128393945

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{18199}}^1$

素因数の和:18304

約数の個数: 16

約数和(自身を含む): 165110400

約数和(自身を除く): 36716455

約数列:

[1, 5, 17, 83, 85, 415, 1411, 7055, 18199, 90995, 309383, 1510517, 1546915, 7552585, 25678789, 128393945]

約数ペア:

[(1, 128393945), (5, 25678789), (17, 7552585), (83, 1546915), (85, 1510517), (415, 309383), (1411, 90995), (7055, 18199)]