206915324

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:579

約数の個数: 72

約数和(自身を含む): 458945760

約数和(自身を除く): 252030436

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 157, 242, 308, 314, 389, 484, 628, 778, 847, 1099, 1556, 1694, 1727, 2198, 2723, 3388, 3454, 4279, 4396, 5446, 6908, 8558, 10892, 12089, 17116, 18997, 24178, 29953, 37994, 47069, 48356, 59906, 61073, 75988, 94138, 119812, 122146, 132979, 188276, 244292, 265958, 329483, 427511, 531916, 658966, 671803, 855022, 1317932, 1343606, 1710044, 2687212, 4702621, 7389833, 9405242, 14779666, 18810484, 29559332, 51728831, 103457662, 206915324]

約数ペア:

[(1, 206915324), (2, 103457662), (4, 51728831), (7, 29559332), (11, 18810484), (14, 14779666), (22, 9405242), (28, 7389833), (44, 4702621), (77, 2687212), (121, 1710044), (154, 1343606), (157, 1317932), (242, 855022), (308, 671803), (314, 658966), (389, 531916), (484, 427511), (628, 329483), (778, 265958), (847, 244292), (1099, 188276), (1556, 132979), (1694, 122146), (1727, 119812), (2198, 94138), (2723, 75988), (3388, 61073), (3454, 59906), (4279, 48356), (4396, 47069), (5446, 37994), (6908, 29953), (8558, 24178), (10892, 18997), (12089, 17116)]