28578316

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{12781}}^1$

素因数の和:12841

約数の個数: 24

約数和(自身を含む): 55115984

約数和(自身を除く): 26537668

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 12781, 25562, 51124, 166153, 332306, 549583, 664612, 1099166, 2198332, 7144579, 14289158, 28578316]

約数ペア:

[(1, 28578316), (2, 14289158), (4, 7144579), (13, 2198332), (26, 1099166), (43, 664612), (52, 549583), (86, 332306), (172, 166153), (559, 51124), (1118, 25562), (2236, 12781)]