28897310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17099}}^1$

素因数の和:17132

約数の個数: 24

約数和(自身を含む): 56327400

約数和(自身を除く): 27430090

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 17099, 34198, 85495, 170990, 222287, 444574, 1111435, 2222870, 2889731, 5779462, 14448655, 28897310]

約数ペア:

[(1, 28897310), (2, 14448655), (5, 5779462), (10, 2889731), (13, 2222870), (26, 1111435), (65, 444574), (130, 222287), (169, 170990), (338, 85495), (845, 34198), (1690, 17099)]