28810938

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 65116800

約数和(自身を除く): 36305862

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 67, 74, 78, 111, 134, 149, 201, 222, 298, 402, 447, 481, 871, 894, 962, 1443, 1742, 1937, 2479, 2613, 2886, 3874, 4958, 5226, 5513, 5811, 7437, 9983, 11026, 11622, 14874, 16539, 19966, 29949, 32227, 33078, 59898, 64454, 71669, 96681, 129779, 143338, 193362, 215007, 259558, 369371, 389337, 430014, 738742, 778674, 1108113, 2216226, 4801823, 9603646, 14405469, 28810938]

約数ペア:

[(1, 28810938), (2, 14405469), (3, 9603646), (6, 4801823), (13, 2216226), (26, 1108113), (37, 778674), (39, 738742), (67, 430014), (74, 389337), (78, 369371), (111, 259558), (134, 215007), (149, 193362), (201, 143338), (222, 129779), (298, 96681), (402, 71669), (447, 64454), (481, 59898), (871, 33078), (894, 32227), (962, 29949), (1443, 19966), (1742, 16539), (1937, 14874), (2479, 11622), (2613, 11026), (2886, 9983), (3874, 7437), (4958, 5811), (5226, 5513)]