289910012

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{81527}}^1$

素因数の和:81665

約数の個数: 24

約数和(自身を含む): 584392704

約数和(自身を除く): 294482692

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 81527, 163054, 326108, 570689, 1141378, 2282756, 10353929, 20707858, 41415716, 72477503, 144955006, 289910012]

約数ペア:

[(1, 289910012), (2, 144955006), (4, 72477503), (7, 41415716), (14, 20707858), (28, 10353929), (127, 2282756), (254, 1141378), (508, 570689), (889, 326108), (1778, 163054), (3556, 81527)]