28746890

素因数分解:

$2^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{4349}}^1$

素因数の和:5017

約数の個数: 16

約数和(自身を含む): 51834600

約数和(自身を除く): 23087710

約数列:

[1, 2, 5, 10, 661, 1322, 3305, 4349, 6610, 8698, 21745, 43490, 2874689, 5749378, 14373445, 28746890]

約数ペア:

[(1, 28746890), (2, 14373445), (5, 5749378), (10, 2874689), (661, 43490), (1322, 21745), (3305, 8698), (4349, 6610)]