28806638

素因数分解:

$2^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 50561280

約数和(自身を除く): 21754642

約数列:

[1, 2, 7, 14, 113, 131, 139, 226, 262, 278, 791, 917, 973, 1582, 1834, 1946, 14803, 15707, 18209, 29606, 31414, 36418, 103621, 109949, 127463, 207242, 219898, 254926, 2057617, 4115234, 14403319, 28806638]

約数ペア:

[(1, 28806638), (2, 14403319), (7, 4115234), (14, 2057617), (113, 254926), (131, 219898), (139, 207242), (226, 127463), (262, 109949), (278, 103621), (791, 36418), (917, 31414), (973, 29606), (1582, 18209), (1834, 15707), (1946, 14803)]