28385390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23459}}^1$

素因数の和:23488

約数の個数: 24

約数和(自身を含む): 56163240

約数和(自身を除く): 27777850

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 23459, 46918, 117295, 234590, 258049, 516098, 1290245, 2580490, 2838539, 5677078, 14192695, 28385390]

約数ペア:

[(1, 28385390), (2, 14192695), (5, 5677078), (10, 2838539), (11, 2580490), (22, 1290245), (55, 516098), (110, 258049), (121, 234590), (242, 117295), (605, 46918), (1210, 23459)]