208771885

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{126913}}^1$

素因数の和:126972

約数の個数: 16

約数和(自身を含む): 292409856

約数和(自身を除く): 83637971

約数列:

[1, 5, 7, 35, 47, 235, 329, 1645, 126913, 634565, 888391, 4441955, 5964911, 29824555, 41754377, 208771885]

約数ペア:

[(1, 208771885), (5, 41754377), (7, 29824555), (35, 5964911), (47, 4441955), (235, 888391), (329, 634565), (1645, 126913)]