209564005

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{206467}}^1$

素因数の和:206508

約数の個数: 16

約数和(自身を含む): 297313920

約数和(自身を除く): 87749915

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 206467, 1032335, 1445269, 5987543, 7226345, 29937715, 41912801, 209564005]

約数ペア:

[(1, 209564005), (5, 41912801), (7, 29937715), (29, 7226345), (35, 5987543), (145, 1445269), (203, 1032335), (1015, 206467)]