28660966

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{787}}^1$

素因数の和:1059

約数の個数: 16

約数和(自身を含む): 43686720

約数和(自身を除く): 15025754

約数列:

[1, 2, 131, 139, 262, 278, 787, 1574, 18209, 36418, 103097, 109393, 206194, 218786, 14330483, 28660966]

約数ペア:

[(1, 28660966), (2, 14330483), (131, 218786), (139, 206194), (262, 109393), (278, 103097), (787, 36418), (1574, 18209)]