28529072

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:406

約数の個数: 80

約数和(自身を含む): 66891552

約数和(自身を除く): 38362480

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 37, 44, 52, 74, 88, 104, 143, 148, 176, 208, 286, 296, 337, 407, 481, 572, 592, 674, 814, 962, 1144, 1348, 1628, 1924, 2288, 2696, 3256, 3707, 3848, 4381, 5291, 5392, 6512, 7414, 7696, 8762, 10582, 12469, 14828, 17524, 21164, 24938, 29656, 35048, 42328, 48191, 49876, 59312, 70096, 84656, 96382, 99752, 137159, 162097, 192764, 199504, 274318, 324194, 385528, 548636, 648388, 771056, 1097272, 1296776, 1783067, 2194544, 2593552, 3566134, 7132268, 14264536, 28529072]

約数ペア:

[(1, 28529072), (2, 14264536), (4, 7132268), (8, 3566134), (11, 2593552), (13, 2194544), (16, 1783067), (22, 1296776), (26, 1097272), (37, 771056), (44, 648388), (52, 548636), (74, 385528), (88, 324194), (104, 274318), (143, 199504), (148, 192764), (176, 162097), (208, 137159), (286, 99752), (296, 96382), (337, 84656), (407, 70096), (481, 59312), (572, 49876), (592, 48191), (674, 42328), (814, 35048), (962, 29656), (1144, 24938), (1348, 21164), (1628, 17524), (1924, 14828), (2288, 12469), (2696, 10582), (3256, 8762), (3707, 7696), (3848, 7414), (4381, 6512), (5291, 5392)]