131026808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 276721920

約数和(自身を除く): 145695112

約数列:

[1, 2, 4, 8, 11, 22, 44, 67, 71, 88, 134, 142, 268, 284, 313, 536, 568, 626, 737, 781, 1252, 1474, 1562, 2504, 2948, 3124, 3443, 4757, 5896, 6248, 6886, 9514, 13772, 19028, 20971, 22223, 27544, 38056, 41942, 44446, 52327, 83884, 88892, 104654, 167768, 177784, 209308, 230681, 244453, 418616, 461362, 488906, 922724, 977812, 1488941, 1845448, 1955624, 2977882, 5955764, 11911528, 16378351, 32756702, 65513404, 131026808]

約数ペア:

[(1, 131026808), (2, 65513404), (4, 32756702), (8, 16378351), (11, 11911528), (22, 5955764), (44, 2977882), (67, 1955624), (71, 1845448), (88, 1488941), (134, 977812), (142, 922724), (268, 488906), (284, 461362), (313, 418616), (536, 244453), (568, 230681), (626, 209308), (737, 177784), (781, 167768), (1252, 104654), (1474, 88892), (1562, 83884), (2504, 52327), (2948, 44446), (3124, 41942), (3443, 38056), (4757, 27544), (5896, 22223), (6248, 20971), (6886, 19028), (9514, 13772)]