209464816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{62639}}^1$

素因数の和:62677

約数の個数: 40

約数和(自身を含む): 466041600

約数和(自身を除く): 256576784

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 62639, 125278, 250556, 501112, 689029, 1002224, 1190141, 1378058, 2380282, 2756116, 4760564, 5512232, 9521128, 11024464, 13091551, 19042256, 26183102, 52366204, 104732408, 209464816]

約数ペア:

[(1, 209464816), (2, 104732408), (4, 52366204), (8, 26183102), (11, 19042256), (16, 13091551), (19, 11024464), (22, 9521128), (38, 5512232), (44, 4760564), (76, 2756116), (88, 2380282), (152, 1378058), (176, 1190141), (209, 1002224), (304, 689029), (418, 501112), (836, 250556), (1672, 125278), (3344, 62639)]