28758544

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:407

約数の個数: 40

約数和(自身を含む): 57253280

約数和(自身を除く): 28494736

約数列:

[1, 2, 4, 8, 16, 67, 134, 139, 193, 268, 278, 386, 536, 556, 772, 1072, 1112, 1544, 2224, 3088, 9313, 12931, 18626, 25862, 26827, 37252, 51724, 53654, 74504, 103448, 107308, 149008, 206896, 214616, 429232, 1797409, 3594818, 7189636, 14379272, 28758544]

約数ペア:

[(1, 28758544), (2, 14379272), (4, 7189636), (8, 3594818), (16, 1797409), (67, 429232), (134, 214616), (139, 206896), (193, 149008), (268, 107308), (278, 103448), (386, 74504), (536, 53654), (556, 51724), (772, 37252), (1072, 26827), (1112, 25862), (1544, 18626), (2224, 12931), (3088, 9313)]