209003564

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{367}}^1$

素因数の和:475

約数の個数: 72

約数和(自身を含む): 468131328

約数和(自身を除く): 259127764

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 77, 86, 154, 172, 301, 308, 367, 473, 602, 734, 946, 1204, 1468, 1849, 1892, 2569, 3311, 3698, 4037, 5138, 6622, 7396, 8074, 10276, 12943, 13244, 15781, 16148, 20339, 25886, 28259, 31562, 40678, 51772, 56518, 63124, 81356, 110467, 113036, 142373, 173591, 220934, 284746, 347182, 441868, 569492, 678583, 694364, 1215137, 1357166, 2430274, 2714332, 4750081, 4860548, 7464413, 9500162, 14928826, 19000324, 29857652, 52250891, 104501782, 209003564]

約数ペア:

[(1, 209003564), (2, 104501782), (4, 52250891), (7, 29857652), (11, 19000324), (14, 14928826), (22, 9500162), (28, 7464413), (43, 4860548), (44, 4750081), (77, 2714332), (86, 2430274), (154, 1357166), (172, 1215137), (301, 694364), (308, 678583), (367, 569492), (473, 441868), (602, 347182), (734, 284746), (946, 220934), (1204, 173591), (1468, 142373), (1849, 113036), (1892, 110467), (2569, 81356), (3311, 63124), (3698, 56518), (4037, 51772), (5138, 40678), (6622, 31562), (7396, 28259), (8074, 25886), (10276, 20339), (12943, 16148), (13244, 15781)]