28729490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{9941}}^1$

素因数の和:9982

約数の個数: 24

約数和(自身を含む): 54939492

約数和(自身を除く): 26210002

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 9941, 19882, 49705, 99410, 168997, 337994, 844985, 1689970, 2872949, 5745898, 14364745, 28729490]

約数ペア:

[(1, 28729490), (2, 14364745), (5, 5745898), (10, 2872949), (17, 1689970), (34, 844985), (85, 337994), (170, 168997), (289, 99410), (578, 49705), (1445, 19882), (2890, 9941)]