199973888

素因数分解:

$2^{10}\times {\mathrm{401}}^1\times {\mathrm{487}}^1$

素因数の和:908

約数の個数: 44

約数和(自身を含む): 401572272

約数和(自身を除く): 201598384

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 401, 487, 512, 802, 974, 1024, 1604, 1948, 3208, 3896, 6416, 7792, 12832, 15584, 25664, 31168, 51328, 62336, 102656, 124672, 195287, 205312, 249344, 390574, 410624, 498688, 781148, 1562296, 3124592, 6249184, 12498368, 24996736, 49993472, 99986944, 199973888]

約数ペア:

[(1, 199973888), (2, 99986944), (4, 49993472), (8, 24996736), (16, 12498368), (32, 6249184), (64, 3124592), (128, 1562296), (256, 781148), (401, 498688), (487, 410624), (512, 390574), (802, 249344), (974, 205312), (1024, 195287), (1604, 124672), (1948, 102656), (3208, 62336), (3896, 51328), (6416, 31168), (7792, 25664), (12832, 15584)]