128563818

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{301793}}^1$

素因数の和:301869

約数の個数: 16

約数和(自身を含む): 260750016

約数和(自身を除く): 132186198

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 301793, 603586, 905379, 1810758, 21427303, 42854606, 64281909, 128563818]

約数ペア:

[(1, 128563818), (2, 64281909), (3, 42854606), (6, 21427303), (71, 1810758), (142, 905379), (213, 603586), (426, 301793)]