223568

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:254

約数の個数: 20

約数和(自身を含む): 440820

約数和(自身を除く): 217252

約数列:

[1, 2, 4, 8, 16, 89, 157, 178, 314, 356, 628, 712, 1256, 1424, 2512, 13973, 27946, 55892, 111784, 223568]

約数ペア:

[(1, 223568), (2, 111784), (4, 55892), (8, 27946), (16, 13973), (89, 2512), (157, 1424), (178, 1256), (314, 712), (356, 628)]