28651856

素因数分解:

$2^4\times {\mathrm{167}}^1\times {\mathrm{10723}}^1$

素因数の和:10898

約数の個数: 20

約数和(自身を含む): 55850592

約数和(自身を除く): 27198736

約数列:

[1, 2, 4, 8, 16, 167, 334, 668, 1336, 2672, 10723, 21446, 42892, 85784, 171568, 1790741, 3581482, 7162964, 14325928, 28651856]

約数ペア:

[(1, 28651856), (2, 14325928), (4, 7162964), (8, 3581482), (16, 1790741), (167, 171568), (334, 85784), (668, 42892), (1336, 21446), (2672, 10723)]