28320484

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{647}}^1$

素因数の和:1035

約数の個数: 24

約数和(自身を含む): 51383808

約数和(自身を除く): 23063324

約数列:

[1, 2, 4, 31, 62, 124, 353, 647, 706, 1294, 1412, 2588, 10943, 20057, 21886, 40114, 43772, 80228, 228391, 456782, 913564, 7080121, 14160242, 28320484]

約数ペア:

[(1, 28320484), (2, 14160242), (4, 7080121), (31, 913564), (62, 456782), (124, 228391), (353, 80228), (647, 43772), (706, 40114), (1294, 21886), (1412, 20057), (2588, 10943)]