28544905

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{1289}}^1$

素因数の和:1440

約数の個数: 16

約数和(自身を含む): 35418240

約数和(自身を除く): 6873335

約数列:

[1, 5, 43, 103, 215, 515, 1289, 4429, 6445, 22145, 55427, 132767, 277135, 663835, 5708981, 28544905]

約数ペア:

[(1, 28544905), (5, 5708981), (43, 663835), (103, 277135), (215, 132767), (515, 55427), (1289, 22145), (4429, 6445)]