7948870818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{1913}}^1$

素因数の和:2112

約数の個数: 128

約数和(自身を含む): 19756154880

約数和(自身を除く): 11807284062

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 41, 42, 57, 82, 114, 123, 127, 133, 246, 254, 266, 287, 381, 399, 574, 762, 779, 798, 861, 889, 1558, 1722, 1778, 1913, 2337, 2413, 2667, 3826, 4674, 4826, 5207, 5334, 5453, 5739, 7239, 10414, 10906, 11478, 13391, 14478, 15621, 16359, 16891, 26782, 31242, 32718, 33782, 36347, 36449, 40173, 50673, 72694, 72898, 78433, 80346, 98933, 101346, 109041, 109347, 156866, 197866, 218082, 218694, 235299, 242951, 254429, 296799, 470598, 485902, 508858, 549031, 593598, 692531, 728853, 763287, 1098062, 1385062, 1457706, 1490227, 1526574, 1647093, 1700657, 2077593, 2980454, 3294186, 3401314, 4155186, 4470681, 4616069, 5101971, 8941362, 9232138, 9960991, 10203942, 10431589, 13848207, 19921982, 20863178, 27696414, 29882973, 31294767, 32312483, 59765946, 62589534, 64624966, 69726937, 96937449, 139453874, 189258829, 193874898, 209180811, 378517658, 418361622, 567776487, 1135552974, 1324811803, 2649623606, 3974435409, 7948870818]

約数ペア:

[(1, 7948870818), (2, 3974435409), (3, 2649623606), (6, 1324811803), (7, 1135552974), (14, 567776487), (19, 418361622), (21, 378517658), (38, 209180811), (41, 193874898), (42, 189258829), (57, 139453874), (82, 96937449), (114, 69726937), (123, 64624966), (127, 62589534), (133, 59765946), (246, 32312483), (254, 31294767), (266, 29882973), (287, 27696414), (381, 20863178), (399, 19921982), (574, 13848207), (762, 10431589), (779, 10203942), (798, 9960991), (861, 9232138), (889, 8941362), (1558, 5101971), (1722, 4616069), (1778, 4470681), (1913, 4155186), (2337, 3401314), (2413, 3294186), (2667, 2980454), (3826, 2077593), (4674, 1700657), (4826, 1647093), (5207, 1526574), (5334, 1490227), (5453, 1457706), (5739, 1385062), (7239, 1098062), (10414, 763287), (10906, 728853), (11478, 692531), (13391, 593598), (14478, 549031), (15621, 508858), (16359, 485902), (16891, 470598), (26782, 296799), (31242, 254429), (32718, 242951), (33782, 235299), (36347, 218694), (36449, 218082), (40173, 197866), (50673, 156866), (72694, 109347), (72898, 109041), (78433, 101346), (80346, 98933)]