28181584

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:427

約数の個数: 40

約数和(自身を含む): 56246400

約数和(自身を除く): 28064816

約数列:

[1, 2, 4, 8, 16, 53, 106, 167, 199, 212, 334, 398, 424, 668, 796, 848, 1336, 1592, 2672, 3184, 8851, 10547, 17702, 21094, 33233, 35404, 42188, 66466, 70808, 84376, 132932, 141616, 168752, 265864, 531728, 1761349, 3522698, 7045396, 14090792, 28181584]

約数ペア:

[(1, 28181584), (2, 14090792), (4, 7045396), (8, 3522698), (16, 1761349), (53, 531728), (106, 265864), (167, 168752), (199, 141616), (212, 132932), (334, 84376), (398, 70808), (424, 66466), (668, 42188), (796, 35404), (848, 33233), (1336, 21094), (1592, 17702), (2672, 10547), (3184, 8851)]