28737904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{138163}}^1$

素因数の和:138184

約数の個数: 20

約数和(自身を含む): 59963176

約数和(自身を除く): 31225272

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 138163, 276326, 552652, 1105304, 1796119, 2210608, 3592238, 7184476, 14368952, 28737904]

約数ペア:

[(1, 28737904), (2, 14368952), (4, 7184476), (8, 3592238), (13, 2210608), (16, 1796119), (26, 1105304), (52, 552652), (104, 276326), (208, 138163)]