208020445328

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{764781049}}^1$

素因数の和:764781074

約数の個数: 20

約数和(自身を含む): 426747825900

約数和(自身を除く): 218727380572

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 764781049, 1529562098, 3059124196, 6118248392, 12236496784, 13001277833, 26002555666, 52005111332, 104010222664, 208020445328]

約数ペア:

[(1, 208020445328), (2, 104010222664), (4, 52005111332), (8, 26002555666), (16, 13001277833), (17, 12236496784), (34, 6118248392), (68, 3059124196), (136, 1529562098), (272, 764781049)]