138676888

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:225

約数の個数: 128

約数和(自身を含む): 336199680

約数和(自身を除く): 197522792

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 31, 34, 37, 56, 62, 68, 74, 119, 124, 127, 136, 148, 217, 238, 248, 254, 259, 296, 434, 476, 508, 518, 527, 629, 868, 889, 952, 1016, 1036, 1054, 1147, 1258, 1736, 1778, 2072, 2108, 2159, 2294, 2516, 3556, 3689, 3937, 4216, 4318, 4403, 4588, 4699, 5032, 7112, 7378, 7874, 8029, 8636, 8806, 9176, 9398, 14756, 15113, 15748, 16058, 17272, 17612, 18796, 19499, 27559, 29512, 30226, 31496, 32116, 32893, 35224, 37592, 38998, 55118, 60452, 64232, 65786, 66929, 77996, 79883, 110236, 120904, 131572, 133858, 136493, 145669, 155992, 159766, 220472, 263144, 267716, 272986, 291338, 319532, 468503, 535432, 545972, 559181, 582676, 639064, 937006, 1019683, 1091944, 1118362, 1165352, 1874012, 2039366, 2236724, 2476373, 3748024, 4078732, 4473448, 4952746, 8157464, 9905492, 17334611, 19810984, 34669222, 69338444, 138676888]

約数ペア:

[(1, 138676888), (2, 69338444), (4, 34669222), (7, 19810984), (8, 17334611), (14, 9905492), (17, 8157464), (28, 4952746), (31, 4473448), (34, 4078732), (37, 3748024), (56, 2476373), (62, 2236724), (68, 2039366), (74, 1874012), (119, 1165352), (124, 1118362), (127, 1091944), (136, 1019683), (148, 937006), (217, 639064), (238, 582676), (248, 559181), (254, 545972), (259, 535432), (296, 468503), (434, 319532), (476, 291338), (508, 272986), (518, 267716), (527, 263144), (629, 220472), (868, 159766), (889, 155992), (952, 145669), (1016, 136493), (1036, 133858), (1054, 131572), (1147, 120904), (1258, 110236), (1736, 79883), (1778, 77996), (2072, 66929), (2108, 65786), (2159, 64232), (2294, 60452), (2516, 55118), (3556, 38998), (3689, 37592), (3937, 35224), (4216, 32893), (4318, 32116), (4403, 31496), (4588, 30226), (4699, 29512), (5032, 27559), (7112, 19499), (7378, 18796), (7874, 17612), (8029, 17272), (8636, 16058), (8806, 15748), (9176, 15113), (9398, 14756)]