205986352

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{457}}^1$

素因数の和:686

約数の個数: 80

約数和(自身を含む): 472282272

約数和(自身を除く): 266295920

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 197, 208, 286, 394, 457, 572, 788, 914, 1144, 1576, 1828, 2167, 2288, 2561, 3152, 3656, 4334, 5027, 5122, 5941, 7312, 8668, 10054, 10244, 11882, 17336, 20108, 20488, 23764, 28171, 34672, 40216, 40976, 47528, 56342, 65351, 80432, 90029, 95056, 112684, 130702, 180058, 225368, 261404, 360116, 450736, 522808, 720232, 990319, 1045616, 1170377, 1440464, 1980638, 2340754, 3961276, 4681508, 7922552, 9363016, 12874147, 15845104, 18726032, 25748294, 51496588, 102993176, 205986352]

約数ペア:

[(1, 205986352), (2, 102993176), (4, 51496588), (8, 25748294), (11, 18726032), (13, 15845104), (16, 12874147), (22, 9363016), (26, 7922552), (44, 4681508), (52, 3961276), (88, 2340754), (104, 1980638), (143, 1440464), (176, 1170377), (197, 1045616), (208, 990319), (286, 720232), (394, 522808), (457, 450736), (572, 360116), (788, 261404), (914, 225368), (1144, 180058), (1576, 130702), (1828, 112684), (2167, 95056), (2288, 90029), (2561, 80432), (3152, 65351), (3656, 56342), (4334, 47528), (5027, 40976), (5122, 40216), (5941, 34672), (7312, 28171), (8668, 23764), (10054, 20488), (10244, 20108), (11882, 17336)]