199761212

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{4219}}^1$

素因数の和:4338

約数の個数: 48

約数和(自身を含む): 425376000

約数和(自身を除く): 225614788

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 89, 133, 178, 266, 356, 532, 623, 1246, 1691, 2492, 3382, 4219, 6764, 8438, 11837, 16876, 23674, 29533, 47348, 59066, 80161, 118132, 160322, 320644, 375491, 561127, 750982, 1122254, 1501964, 2244508, 2628437, 5256874, 7134329, 10513748, 14268658, 28537316, 49940303, 99880606, 199761212]

約数ペア:

[(1, 199761212), (2, 99880606), (4, 49940303), (7, 28537316), (14, 14268658), (19, 10513748), (28, 7134329), (38, 5256874), (76, 2628437), (89, 2244508), (133, 1501964), (178, 1122254), (266, 750982), (356, 561127), (532, 375491), (623, 320644), (1246, 160322), (1691, 118132), (2492, 80161), (3382, 59066), (4219, 47348), (6764, 29533), (8438, 23674), (11837, 16876)]