26720078

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 53637120

約数和(自身を除く): 26917042

約数列:

[1, 2, 7, 11, 14, 22, 29, 31, 58, 62, 77, 154, 193, 203, 217, 319, 341, 386, 406, 434, 638, 682, 899, 1351, 1798, 2123, 2233, 2387, 2702, 4246, 4466, 4774, 5597, 5983, 6293, 9889, 11194, 11966, 12586, 14861, 19778, 29722, 39179, 41881, 61567, 65813, 69223, 78358, 83762, 123134, 131626, 138446, 173507, 347014, 430969, 460691, 861938, 921382, 1214549, 1908577, 2429098, 3817154, 13360039, 26720078]

約数ペア:

[(1, 26720078), (2, 13360039), (7, 3817154), (11, 2429098), (14, 1908577), (22, 1214549), (29, 921382), (31, 861938), (58, 460691), (62, 430969), (77, 347014), (154, 173507), (193, 138446), (203, 131626), (217, 123134), (319, 83762), (341, 78358), (386, 69223), (406, 65813), (434, 61567), (638, 41881), (682, 39179), (899, 29722), (1351, 19778), (1798, 14861), (2123, 12586), (2233, 11966), (2387, 11194), (2702, 9889), (4246, 6293), (4466, 5983), (4774, 5597)]