81399808

素因数分解:

$2^{12}\times 7^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:215

約数の個数: 104

約数和(自身を含む): 198156672

約数和(自身を除く): 116756864

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 167, 224, 238, 256, 272, 334, 448, 476, 512, 544, 668, 896, 952, 1024, 1088, 1169, 1336, 1792, 1904, 2048, 2176, 2338, 2672, 2839, 3584, 3808, 4096, 4352, 4676, 5344, 5678, 7168, 7616, 8704, 9352, 10688, 11356, 14336, 15232, 17408, 18704, 19873, 21376, 22712, 28672, 30464, 34816, 37408, 39746, 42752, 45424, 60928, 69632, 74816, 79492, 85504, 90848, 121856, 149632, 158984, 171008, 181696, 243712, 299264, 317968, 342016, 363392, 487424, 598528, 635936, 684032, 726784, 1197056, 1271872, 1453568, 2394112, 2543744, 2907136, 4788224, 5087488, 5814272, 10174976, 11628544, 20349952, 40699904, 81399808]

約数ペア:

[(1, 81399808), (2, 40699904), (4, 20349952), (7, 11628544), (8, 10174976), (14, 5814272), (16, 5087488), (17, 4788224), (28, 2907136), (32, 2543744), (34, 2394112), (56, 1453568), (64, 1271872), (68, 1197056), (112, 726784), (119, 684032), (128, 635936), (136, 598528), (167, 487424), (224, 363392), (238, 342016), (256, 317968), (272, 299264), (334, 243712), (448, 181696), (476, 171008), (512, 158984), (544, 149632), (668, 121856), (896, 90848), (952, 85504), (1024, 79492), (1088, 74816), (1169, 69632), (1336, 60928), (1792, 45424), (1904, 42752), (2048, 39746), (2176, 37408), (2338, 34816), (2672, 30464), (2839, 28672), (3584, 22712), (3808, 21376), (4096, 19873), (4352, 18704), (4676, 17408), (5344, 15232), (5678, 14336), (7168, 11356), (7616, 10688), (8704, 9352)]