661713276

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{72271}}^1$

素因数の和:72394

約数の個数: 48

約数和(自身を含む): 1780782080

約数和(自身を除く): 1119068804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 109, 218, 327, 436, 654, 763, 1308, 1526, 2289, 3052, 4578, 9156, 72271, 144542, 216813, 289084, 433626, 505897, 867252, 1011794, 1517691, 2023588, 3035382, 6070764, 7877539, 15755078, 23632617, 31510156, 47265234, 55142773, 94530468, 110285546, 165428319, 220571092, 330856638, 661713276]

約数ペア:

[(1, 661713276), (2, 330856638), (3, 220571092), (4, 165428319), (6, 110285546), (7, 94530468), (12, 55142773), (14, 47265234), (21, 31510156), (28, 23632617), (42, 15755078), (84, 7877539), (109, 6070764), (218, 3035382), (327, 2023588), (436, 1517691), (654, 1011794), (763, 867252), (1308, 505897), (1526, 433626), (2289, 289084), (3052, 216813), (4578, 144542), (9156, 72271)]