206991554

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{1721}}^1$

素因数の和:1823

約数の個数: 48

約数和(自身を含む): 395756928

約数和(自身を除く): 188765374

約数列:

[1, 2, 7, 11, 14, 22, 71, 77, 121, 142, 154, 242, 497, 781, 847, 994, 1562, 1694, 1721, 3442, 5467, 8591, 10934, 12047, 17182, 18931, 24094, 37862, 60137, 120274, 122191, 132517, 208241, 244382, 265034, 416482, 855337, 1344101, 1457687, 1710674, 2688202, 2915374, 9408707, 14785111, 18817414, 29570222, 103495777, 206991554]

約数ペア:

[(1, 206991554), (2, 103495777), (7, 29570222), (11, 18817414), (14, 14785111), (22, 9408707), (71, 2915374), (77, 2688202), (121, 1710674), (142, 1457687), (154, 1344101), (242, 855337), (497, 416482), (781, 265034), (847, 244382), (994, 208241), (1562, 132517), (1694, 122191), (1721, 120274), (3442, 60137), (5467, 37862), (8591, 24094), (10934, 18931), (12047, 17182)]