123984784

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{641}}^1$

素因数の和:824

約数の個数: 80

約数和(自身を含む): 301873536

約数和(自身を除く): 177888752

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 157, 176, 308, 314, 616, 628, 641, 1099, 1232, 1256, 1282, 1727, 2198, 2512, 2564, 3454, 4396, 4487, 5128, 6908, 7051, 8792, 8974, 10256, 12089, 13816, 14102, 17584, 17948, 24178, 27632, 28204, 35896, 48356, 49357, 56408, 71792, 96712, 98714, 100637, 112816, 193424, 197428, 201274, 394856, 402548, 704459, 789712, 805096, 1107007, 1408918, 1610192, 2214014, 2817836, 4428028, 5635672, 7749049, 8856056, 11271344, 15498098, 17712112, 30996196, 61992392, 123984784]

約数ペア:

[(1, 123984784), (2, 61992392), (4, 30996196), (7, 17712112), (8, 15498098), (11, 11271344), (14, 8856056), (16, 7749049), (22, 5635672), (28, 4428028), (44, 2817836), (56, 2214014), (77, 1610192), (88, 1408918), (112, 1107007), (154, 805096), (157, 789712), (176, 704459), (308, 402548), (314, 394856), (616, 201274), (628, 197428), (641, 193424), (1099, 112816), (1232, 100637), (1256, 98714), (1282, 96712), (1727, 71792), (2198, 56408), (2512, 49357), (2564, 48356), (3454, 35896), (4396, 28204), (4487, 27632), (5128, 24178), (6908, 17948), (7051, 17584), (8792, 14102), (8974, 13816), (10256, 12089)]