128517376

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{73}}^1$

素因数の和:148

約数の個数: 108

約数和(自身を含む): 292755988

約数和(自身を除く): 164238612

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 73, 92, 104, 128, 146, 184, 208, 256, 292, 299, 368, 416, 529, 584, 598, 736, 832, 949, 1058, 1168, 1196, 1472, 1664, 1679, 1898, 2116, 2336, 2392, 2944, 3328, 3358, 3796, 4232, 4672, 4784, 5888, 6716, 6877, 7592, 8464, 9344, 9568, 13432, 13754, 15184, 16928, 18688, 19136, 21827, 26864, 27508, 30368, 33856, 38272, 38617, 43654, 53728, 55016, 60736, 67712, 76544, 77234, 87308, 107456, 110032, 121472, 135424, 154468, 174616, 214912, 220064, 242944, 308936, 349232, 429824, 440128, 502021, 617872, 698464, 880256, 1004042, 1235744, 1396928, 1760512, 2008084, 2471488, 2793856, 4016168, 4942976, 5587712, 8032336, 9885952, 16064672, 32129344, 64258688, 128517376]

約数ペア:

[(1, 128517376), (2, 64258688), (4, 32129344), (8, 16064672), (13, 9885952), (16, 8032336), (23, 5587712), (26, 4942976), (32, 4016168), (46, 2793856), (52, 2471488), (64, 2008084), (73, 1760512), (92, 1396928), (104, 1235744), (128, 1004042), (146, 880256), (184, 698464), (208, 617872), (256, 502021), (292, 440128), (299, 429824), (368, 349232), (416, 308936), (529, 242944), (584, 220064), (598, 214912), (736, 174616), (832, 154468), (949, 135424), (1058, 121472), (1168, 110032), (1196, 107456), (1472, 87308), (1664, 77234), (1679, 76544), (1898, 67712), (2116, 60736), (2336, 55016), (2392, 53728), (2944, 43654), (3328, 38617), (3358, 38272), (3796, 33856), (4232, 30368), (4672, 27508), (4784, 26864), (5888, 21827), (6716, 19136), (6877, 18688), (7592, 16928), (8464, 15184), (9344, 13754), (9568, 13432)]