205129903696

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{40443593}}^1$

素因数の和:40443918

約数の個数: 20

約数和(自身を含む): 398692949652

約数和(自身を除く): 193563045956

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 5072, 40443593, 80887186, 161774372, 323548744, 647097488, 12820618981, 25641237962, 51282475924, 102564951848, 205129903696]

約数ペア:

[(1, 205129903696), (2, 102564951848), (4, 51282475924), (8, 25641237962), (16, 12820618981), (317, 647097488), (634, 323548744), (1268, 161774372), (2536, 80887186), (5072, 40443593)]