209918716

素因数分解:

$2^2\times 7^1\times {\mathrm{1871}}^1\times {\mathrm{4007}}^1$

素因数の和:5889

約数の個数: 24

約数和(自身を含む): 420166656

約数和(自身を除く): 210247940

約数列:

[1, 2, 4, 7, 14, 28, 1871, 3742, 4007, 7484, 8014, 13097, 16028, 26194, 28049, 52388, 56098, 112196, 7497097, 14994194, 29988388, 52479679, 104959358, 209918716]

約数ペア:

[(1, 209918716), (2, 104959358), (4, 52479679), (7, 29988388), (14, 14994194), (28, 7497097), (1871, 112196), (3742, 56098), (4007, 52388), (7484, 28049), (8014, 26194), (13097, 16028)]