28784570

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{169321}}^1$

素因数の和:169345

約数の個数: 16

約数和(自身を含む): 54860328

約数和(自身を除く): 26075758

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 169321, 338642, 846605, 1693210, 2878457, 5756914, 14392285, 28784570]

約数ペア:

[(1, 28784570), (2, 14392285), (5, 5756914), (10, 2878457), (17, 1693210), (34, 846605), (85, 338642), (170, 169321)]