2051209648

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{387313}}^1$

素因数の和:387652

約数の個数: 20

約数和(自身を含む): 3986235688

約数和(自身を除く): 1935026040

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 5296, 387313, 774626, 1549252, 3098504, 6197008, 128200603, 256401206, 512802412, 1025604824, 2051209648]

約数ペア:

[(1, 2051209648), (2, 1025604824), (4, 512802412), (8, 256401206), (16, 128200603), (331, 6197008), (662, 3098504), (1324, 1549252), (2648, 774626), (5296, 387313)]