123391168

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:222

約数の個数: 112

約数和(自身を含む): 280903680

約数和(自身を除く): 157512512

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 47, 64, 68, 76, 94, 127, 136, 152, 188, 254, 272, 304, 323, 376, 508, 544, 608, 646, 752, 799, 893, 1016, 1088, 1216, 1292, 1504, 1598, 1786, 2032, 2159, 2413, 2584, 3008, 3196, 3572, 4064, 4318, 4826, 5168, 5969, 6392, 7144, 8128, 8636, 9652, 10336, 11938, 12784, 14288, 15181, 17272, 19304, 20672, 23876, 25568, 28576, 30362, 34544, 38608, 41021, 47752, 51136, 57152, 60724, 69088, 77216, 82042, 95504, 101473, 113411, 121448, 138176, 154432, 164084, 191008, 202946, 226822, 242896, 328168, 382016, 405892, 453644, 485792, 656336, 811784, 907288, 971584, 1312672, 1623568, 1814576, 1927987, 2625344, 3247136, 3629152, 3855974, 6494272, 7258304, 7711948, 15423896, 30847792, 61695584, 123391168]

約数ペア:

[(1, 123391168), (2, 61695584), (4, 30847792), (8, 15423896), (16, 7711948), (17, 7258304), (19, 6494272), (32, 3855974), (34, 3629152), (38, 3247136), (47, 2625344), (64, 1927987), (68, 1814576), (76, 1623568), (94, 1312672), (127, 971584), (136, 907288), (152, 811784), (188, 656336), (254, 485792), (272, 453644), (304, 405892), (323, 382016), (376, 328168), (508, 242896), (544, 226822), (608, 202946), (646, 191008), (752, 164084), (799, 154432), (893, 138176), (1016, 121448), (1088, 113411), (1216, 101473), (1292, 95504), (1504, 82042), (1598, 77216), (1786, 69088), (2032, 60724), (2159, 57152), (2413, 51136), (2584, 47752), (3008, 41021), (3196, 38608), (3572, 34544), (4064, 30362), (4318, 28576), (4826, 25568), (5168, 23876), (5969, 20672), (6392, 19304), (7144, 17272), (8128, 15181), (8636, 14288), (9652, 12784), (10336, 11938)]