28001406

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{65731}}^1$

素因数の和:65807

約数の個数: 16

約数和(自身を含む): 56792448

約数和(自身を除く): 28791042

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 65731, 131462, 197193, 394386, 4666901, 9333802, 14000703, 28001406]

約数ペア:

[(1, 28001406), (2, 14000703), (3, 9333802), (6, 4666901), (71, 394386), (142, 197193), (213, 131462), (426, 65731)]