1880521559

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{761}}^1$

素因数の和:888

約数の個数: 48

約数和(自身を含む): 2376708480

約数和(自身を除く): 496186921

約数列:

[1, 7, 29, 37, 47, 49, 203, 259, 329, 761, 1073, 1363, 1421, 1739, 1813, 2303, 5327, 7511, 9541, 12173, 22069, 28157, 35767, 37289, 50431, 52577, 66787, 85211, 154483, 197099, 250369, 353017, 816553, 1037243, 1081381, 1323379, 1379693, 1752583, 2471119, 5715871, 7260701, 9263653, 38377991, 40011097, 50824907, 64845571, 268645937, 1880521559]

約数ペア:

[(1, 1880521559), (7, 268645937), (29, 64845571), (37, 50824907), (47, 40011097), (49, 38377991), (203, 9263653), (259, 7260701), (329, 5715871), (761, 2471119), (1073, 1752583), (1363, 1379693), (1421, 1323379), (1739, 1081381), (1813, 1037243), (2303, 816553), (5327, 353017), (7511, 250369), (9541, 197099), (12173, 154483), (22069, 85211), (28157, 66787), (35767, 52577), (37289, 50431)]