260130128

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{439409}}^1$

素因数の和:439454

約数の個数: 20

約数和(自身を含む): 517624980

約数和(自身を除く): 257494852

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 439409, 878818, 1757636, 3515272, 7030544, 16258133, 32516266, 65032532, 130065064, 260130128]

約数ペア:

[(1, 260130128), (2, 130065064), (4, 65032532), (8, 32516266), (16, 16258133), (37, 7030544), (74, 3515272), (148, 1757636), (296, 878818), (592, 439409)]