261161868

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{547}}^1\times {\mathrm{3617}}^1$

素因数の和:4182

約数の個数: 48

約数和(自身を含む): 666175104

約数和(自身を除く): 405013236

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 547, 1094, 1641, 2188, 3282, 3617, 6017, 6564, 7234, 10851, 12034, 14468, 18051, 21702, 24068, 36102, 39787, 43404, 72204, 79574, 119361, 159148, 238722, 477444, 1978499, 3956998, 5935497, 7913996, 11870994, 21763489, 23741988, 43526978, 65290467, 87053956, 130580934, 261161868]

約数ペア:

[(1, 261161868), (2, 130580934), (3, 87053956), (4, 65290467), (6, 43526978), (11, 23741988), (12, 21763489), (22, 11870994), (33, 7913996), (44, 5935497), (66, 3956998), (132, 1978499), (547, 477444), (1094, 238722), (1641, 159148), (2188, 119361), (3282, 79574), (3617, 72204), (6017, 43404), (6564, 39787), (7234, 36102), (10851, 24068), (12034, 21702), (14468, 18051)]