78745842

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:205

約数の個数: 144

約数和(自身を含む): 216253440

約数和(自身を除く): 137507598

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 37, 38, 42, 49, 57, 63, 74, 98, 111, 114, 126, 127, 133, 147, 171, 222, 254, 259, 266, 294, 333, 342, 381, 399, 441, 518, 666, 703, 762, 777, 798, 882, 889, 931, 1143, 1197, 1406, 1554, 1778, 1813, 1862, 2109, 2286, 2331, 2394, 2413, 2667, 2793, 3626, 4218, 4662, 4699, 4826, 4921, 5334, 5439, 5586, 6223, 6327, 7239, 8001, 8379, 9398, 9842, 10878, 12446, 12654, 14097, 14478, 14763, 16002, 16317, 16758, 16891, 18669, 21717, 28194, 29526, 32634, 32893, 33782, 34447, 37338, 42291, 43434, 44289, 50673, 56007, 65786, 68894, 84582, 88578, 89281, 98679, 101346, 103341, 112014, 118237, 152019, 178562, 197358, 206682, 230251, 236474, 267843, 296037, 304038, 310023, 354711, 460502, 535686, 592074, 620046, 624967, 690753, 709422, 803529, 1064133, 1249934, 1381506, 1607058, 1874901, 2072259, 2128266, 3749802, 4144518, 4374769, 5624703, 8749538, 11249406, 13124307, 26248614, 39372921, 78745842]

約数ペア:

[(1, 78745842), (2, 39372921), (3, 26248614), (6, 13124307), (7, 11249406), (9, 8749538), (14, 5624703), (18, 4374769), (19, 4144518), (21, 3749802), (37, 2128266), (38, 2072259), (42, 1874901), (49, 1607058), (57, 1381506), (63, 1249934), (74, 1064133), (98, 803529), (111, 709422), (114, 690753), (126, 624967), (127, 620046), (133, 592074), (147, 535686), (171, 460502), (222, 354711), (254, 310023), (259, 304038), (266, 296037), (294, 267843), (333, 236474), (342, 230251), (381, 206682), (399, 197358), (441, 178562), (518, 152019), (666, 118237), (703, 112014), (762, 103341), (777, 101346), (798, 98679), (882, 89281), (889, 88578), (931, 84582), (1143, 68894), (1197, 65786), (1406, 56007), (1554, 50673), (1778, 44289), (1813, 43434), (1862, 42291), (2109, 37338), (2286, 34447), (2331, 33782), (2394, 32893), (2413, 32634), (2667, 29526), (2793, 28194), (3626, 21717), (4218, 18669), (4662, 16891), (4699, 16758), (4826, 16317), (4921, 16002), (5334, 14763), (5439, 14478), (5586, 14097), (6223, 12654), (6327, 12446), (7239, 10878), (8001, 9842), (8379, 9398)]