28811374

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{1481}}^1$

素因数の和:1691

約数の個数: 16

約数和(自身を含む): 44175456

約数和(自身を除く): 15364082

約数列:

[1, 2, 71, 137, 142, 274, 1481, 2962, 9727, 19454, 105151, 202897, 210302, 405794, 14405687, 28811374]

約数ペア:

[(1, 28811374), (2, 14405687), (71, 405794), (137, 210302), (142, 202897), (274, 105151), (1481, 19454), (2962, 9727)]