128540672

素因数分解:

$2^{13}\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 112

約数和(自身を含む): 297253152

約数和(自身を除く): 168712480

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 71, 104, 128, 136, 142, 208, 221, 256, 272, 284, 416, 442, 512, 544, 568, 832, 884, 923, 1024, 1088, 1136, 1207, 1664, 1768, 1846, 2048, 2176, 2272, 2414, 3328, 3536, 3692, 4096, 4352, 4544, 4828, 6656, 7072, 7384, 8192, 8704, 9088, 9656, 13312, 14144, 14768, 15691, 17408, 18176, 19312, 26624, 28288, 29536, 31382, 34816, 36352, 38624, 53248, 56576, 59072, 62764, 69632, 72704, 77248, 106496, 113152, 118144, 125528, 139264, 145408, 154496, 226304, 236288, 251056, 290816, 308992, 452608, 472576, 502112, 581632, 617984, 905216, 945152, 1004224, 1235968, 1810432, 1890304, 2008448, 2471936, 3780608, 4016896, 4943872, 7561216, 8033792, 9887744, 16067584, 32135168, 64270336, 128540672]

約数ペア:

[(1, 128540672), (2, 64270336), (4, 32135168), (8, 16067584), (13, 9887744), (16, 8033792), (17, 7561216), (26, 4943872), (32, 4016896), (34, 3780608), (52, 2471936), (64, 2008448), (68, 1890304), (71, 1810432), (104, 1235968), (128, 1004224), (136, 945152), (142, 905216), (208, 617984), (221, 581632), (256, 502112), (272, 472576), (284, 452608), (416, 308992), (442, 290816), (512, 251056), (544, 236288), (568, 226304), (832, 154496), (884, 145408), (923, 139264), (1024, 125528), (1088, 118144), (1136, 113152), (1207, 106496), (1664, 77248), (1768, 72704), (1846, 69632), (2048, 62764), (2176, 59072), (2272, 56576), (2414, 53248), (3328, 38624), (3536, 36352), (3692, 34816), (4096, 31382), (4352, 29536), (4544, 28288), (4828, 26624), (6656, 19312), (7072, 18176), (7384, 17408), (8192, 15691), (8704, 14768), (9088, 14144), (9656, 13312)]