28752724

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 69543936

約数和(自身を除く): 40791212

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 43, 44, 52, 77, 86, 91, 143, 154, 167, 172, 182, 286, 301, 308, 334, 364, 473, 559, 572, 602, 668, 946, 1001, 1118, 1169, 1204, 1837, 1892, 2002, 2171, 2236, 2338, 3311, 3674, 3913, 4004, 4342, 4676, 6149, 6622, 7181, 7348, 7826, 8684, 12298, 12859, 13244, 14362, 15197, 15652, 23881, 24596, 25718, 28724, 30394, 43043, 47762, 50267, 51436, 60788, 78991, 86086, 93353, 95524, 100534, 157982, 167167, 172172, 186706, 201068, 315964, 334334, 373412, 552937, 653471, 668668, 1026883, 1105874, 1306942, 2053766, 2211748, 2613884, 4107532, 7188181, 14376362, 28752724]

約数ペア:

[(1, 28752724), (2, 14376362), (4, 7188181), (7, 4107532), (11, 2613884), (13, 2211748), (14, 2053766), (22, 1306942), (26, 1105874), (28, 1026883), (43, 668668), (44, 653471), (52, 552937), (77, 373412), (86, 334334), (91, 315964), (143, 201068), (154, 186706), (167, 172172), (172, 167167), (182, 157982), (286, 100534), (301, 95524), (308, 93353), (334, 86086), (364, 78991), (473, 60788), (559, 51436), (572, 50267), (602, 47762), (668, 43043), (946, 30394), (1001, 28724), (1118, 25718), (1169, 24596), (1204, 23881), (1837, 15652), (1892, 15197), (2002, 14362), (2171, 13244), (2236, 12859), (2338, 12298), (3311, 8684), (3674, 7826), (3913, 7348), (4004, 7181), (4342, 6622), (4676, 6149)]