221220104

素因数分解:

$2^3\times 7^2\times {\mathrm{103}}^1\times {\mathrm{5479}}^1$

素因数の和:5602

約数の個数: 48

約数和(自身を含む): 487281600

約数和(自身を除く): 266061496

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 103, 196, 206, 392, 412, 721, 824, 1442, 2884, 5047, 5479, 5768, 10094, 10958, 20188, 21916, 38353, 40376, 43832, 76706, 153412, 268471, 306824, 536942, 564337, 1073884, 1128674, 2147768, 2257348, 3950359, 4514696, 7900718, 15801436, 27652513, 31602872, 55305026, 110610052, 221220104]

約数ペア:

[(1, 221220104), (2, 110610052), (4, 55305026), (7, 31602872), (8, 27652513), (14, 15801436), (28, 7900718), (49, 4514696), (56, 3950359), (98, 2257348), (103, 2147768), (196, 1128674), (206, 1073884), (392, 564337), (412, 536942), (721, 306824), (824, 268471), (1442, 153412), (2884, 76706), (5047, 43832), (5479, 40376), (5768, 38353), (10094, 21916), (10958, 20188)]