87990442

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{4523}}^1$

素因数の和:4733

約数の個数: 16

約数和(自身を含む): 134851392

約数和(自身を除く): 46860950

約数列:

[1, 2, 71, 137, 142, 274, 4523, 9046, 9727, 19454, 321133, 619651, 642266, 1239302, 43995221, 87990442]

約数ペア:

[(1, 87990442), (2, 43995221), (71, 1239302), (137, 642266), (142, 619651), (274, 321133), (4523, 19454), (9046, 9727)]