28726689

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 42353280

約数和(自身を除く): 13626591

約数列:

[1, 3, 19, 37, 53, 57, 111, 159, 257, 703, 771, 1007, 1961, 2109, 3021, 4883, 5883, 9509, 13621, 14649, 28527, 37259, 40863, 111777, 180671, 258799, 503977, 542013, 776397, 1511931, 9575563, 28726689]

約数ペア:

[(1, 28726689), (3, 9575563), (19, 1511931), (37, 776397), (53, 542013), (57, 503977), (111, 258799), (159, 180671), (257, 111777), (703, 40863), (771, 37259), (1007, 28527), (1961, 14649), (2109, 13621), (3021, 9509), (4883, 5883)]