205768

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{89}}^1$

素因数の和:129

約数の個数: 24

約数和(自身を含む): 414450

約数和(自身を除く): 208682

約数列:

[1, 2, 4, 8, 17, 34, 68, 89, 136, 178, 289, 356, 578, 712, 1156, 1513, 2312, 3026, 6052, 12104, 25721, 51442, 102884, 205768]

約数ペア:

[(1, 205768), (2, 102884), (4, 51442), (8, 25721), (17, 12104), (34, 6052), (68, 3026), (89, 2312), (136, 1513), (178, 1156), (289, 712), (356, 578)]