15746990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{991}}^1$

素因数の和:1232

約数の個数: 32

約数和(自身を含む): 32569344

約数和(自身を除く): 16822354

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 227, 454, 991, 1135, 1589, 1982, 2270, 3178, 4955, 6937, 7945, 9910, 13874, 15890, 34685, 69370, 224957, 449914, 1124785, 1574699, 2249570, 3149398, 7873495, 15746990]

約数ペア:

[(1, 15746990), (2, 7873495), (5, 3149398), (7, 2249570), (10, 1574699), (14, 1124785), (35, 449914), (70, 224957), (227, 69370), (454, 34685), (991, 15890), (1135, 13874), (1589, 9910), (1982, 7945), (2270, 6937), (3178, 4955)]