78353408

素因数分解:

$2^{10}\times 7^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:687

約数の個数: 88

約数和(自身を含む): 189830592

約数和(自身を除く): 111477184

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 256, 272, 448, 476, 512, 544, 643, 896, 952, 1024, 1088, 1286, 1792, 1904, 2176, 2572, 3584, 3808, 4352, 4501, 5144, 7168, 7616, 8704, 9002, 10288, 10931, 15232, 17408, 18004, 20576, 21862, 30464, 36008, 41152, 43724, 60928, 72016, 76517, 82304, 87448, 121856, 144032, 153034, 164608, 174896, 288064, 306068, 329216, 349792, 576128, 612136, 658432, 699584, 1152256, 1224272, 1399168, 2304512, 2448544, 2798336, 4609024, 4897088, 5596672, 9794176, 11193344, 19588352, 39176704, 78353408]

約数ペア:

[(1, 78353408), (2, 39176704), (4, 19588352), (7, 11193344), (8, 9794176), (14, 5596672), (16, 4897088), (17, 4609024), (28, 2798336), (32, 2448544), (34, 2304512), (56, 1399168), (64, 1224272), (68, 1152256), (112, 699584), (119, 658432), (128, 612136), (136, 576128), (224, 349792), (238, 329216), (256, 306068), (272, 288064), (448, 174896), (476, 164608), (512, 153034), (544, 144032), (643, 121856), (896, 87448), (952, 82304), (1024, 76517), (1088, 72016), (1286, 60928), (1792, 43724), (1904, 41152), (2176, 36008), (2572, 30464), (3584, 21862), (3808, 20576), (4352, 18004), (4501, 17408), (5144, 15232), (7168, 10931), (7616, 10288), (8704, 9002)]