201781672

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{641}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 403593300

約数和(自身を除く): 201811628

約数列:

[1, 2, 4, 8, 19, 38, 76, 109, 152, 218, 361, 436, 641, 722, 872, 1282, 1444, 2071, 2564, 2888, 4142, 5128, 8284, 12179, 16568, 24358, 39349, 48716, 69869, 78698, 97432, 139738, 157396, 231401, 279476, 314792, 462802, 558952, 925604, 1327511, 1851208, 2655022, 5310044, 10620088, 25222709, 50445418, 100890836, 201781672]

約数ペア:

[(1, 201781672), (2, 100890836), (4, 50445418), (8, 25222709), (19, 10620088), (38, 5310044), (76, 2655022), (109, 1851208), (152, 1327511), (218, 925604), (361, 558952), (436, 462802), (641, 314792), (722, 279476), (872, 231401), (1282, 157396), (1444, 139738), (2071, 97432), (2564, 78698), (2888, 69869), (4142, 48716), (5128, 39349), (8284, 24358), (12179, 16568)]