209213144

素因数分解:

$2^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{7517}}^1$

素因数の和:7608

約数の個数: 48

約数和(自身を含む): 462808080

約数和(自身を除く): 253594936

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 71, 98, 142, 196, 284, 392, 497, 568, 994, 1988, 3479, 3976, 6958, 7517, 13916, 15034, 27832, 30068, 52619, 60136, 105238, 210476, 368333, 420952, 533707, 736666, 1067414, 1473332, 2134828, 2946664, 3735949, 4269656, 7471898, 14943796, 26151643, 29887592, 52303286, 104606572, 209213144]

約数ペア:

[(1, 209213144), (2, 104606572), (4, 52303286), (7, 29887592), (8, 26151643), (14, 14943796), (28, 7471898), (49, 4269656), (56, 3735949), (71, 2946664), (98, 2134828), (142, 1473332), (196, 1067414), (284, 736666), (392, 533707), (497, 420952), (568, 368333), (994, 210476), (1988, 105238), (3479, 60136), (3976, 52619), (6958, 30068), (7517, 27832), (13916, 15034)]