257328

素因数分解:

$2^4\times 3^2\times {\mathrm{1787}}^1$

素因数の和:1801

約数の個数: 30

約数和(自身を含む): 720564

約数和(自身を除く): 463236

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 1787, 3574, 5361, 7148, 10722, 14296, 16083, 21444, 28592, 32166, 42888, 64332, 85776, 128664, 257328]

約数ペア:

[(1, 257328), (2, 128664), (3, 85776), (4, 64332), (6, 42888), (8, 32166), (9, 28592), (12, 21444), (16, 16083), (18, 14296), (24, 10722), (36, 7148), (48, 5361), (72, 3574), (144, 1787)]